Adjectives that begin with the letter “O” add a distinct energy to your writing, transforming it into something more lively and compelling. Words such as optimistic, outgoing, and overwhelming stand out, drawing the reader’s focus and creating vivid, impactful imagery.
Whether you’re describing someone’s character or the strength of a moment, these adjectives enhance your sentences with a punch. Incorporating “O” adjectives into your work can boost its impact, making it both powerful and unforgettable.
What are Adjectives For “O”?
Adjectives starting with “O” are words that describe or modify nouns, adding depth and detail. For instance, optimistic reflects a positive outlook, while obnoxious highlights something unpleasant.
Additionally, outstanding showcases excellence, and overwhelming conveys something too intense to handle. Essentially, these adjectives help convey clear and vivid descriptions, making communication more engaging.
Adjectives That Start With N: 210 ‘N’ Adjectives
Positive Adjectives
Here are 30 positive adjectives starting with “O,” along with their definitions and synonyms:
Adjective | Definition | Synonyms |
Optimistic | Hopeful about the future. | Hopeful, positive, confident. |
Outstanding | Exceptionally good. | Excellent, remarkable, superb. |
Open-minded | Willing to consider new ideas. | Accepting, tolerant, flexible. |
Original | Unique and not copied. | Creative, innovative, authentic. |
Organized | Neat and efficient. | Orderly, methodical, systematic. |
Optimistic | Looking at the positive side of things. | Hopeful, bright, confident. |
Opulent | Rich in appearance or quality. | Luxurious, lavish, extravagant. |
Observant | Quick to notice things. | Perceptive, aware, attentive. |
Open-hearted | Warm and kind-hearted. | Compassionate, kind, friendly. |
Obliging | Willing to help. | Helpful, accommodating, considerate. |
Overjoyed | Extremely happy. | Ecstatic, thrilled, delighted. |
Outstanding | Significantly better than others. | Exceptional, superior, remarkable. |
Overachieving | Doing better than expected. | Successful, excellent, accomplished. |
Optimistic | Positive attitude towards future. | Confident, hopeful, bright. |
Overcoming | Conquering challenges or difficulties. | Resilient, strong, determined. |
On-point | Perfectly accurate. | Precise, exact, sharp. |
Observing | Actively watching or noticing. | Alert, vigilant, watchful. |
Obvious | Clear and easy to understand. | Clear, evident, apparent. |
Omnipresent | Present everywhere. | Ubiquitous, universal, widespread. |
Ongoing | Continuing without interruption. | Continuous, persistent, uninterrupted. |
Optimistic | Expecting positive outcomes. | Hopeful, positive, cheerful. |
Overwhelming | Very powerful or intense. | Staggering, immense, overpowering. |
Ornate | Elaborately decorated. | Decorative, elaborate, intricate. |
Oathful | Devoted and sincere. | Committed, loyal, faithful. |
Open | Honest and transparent. | Transparent, candid, frank. |
Ongoing | Continuing to progress. | Constant, continuous, perpetual. |
Overwhelmingly | In a way that is very strong or intense. | Immensely, extraordinarily, remarkably. |
Opportune | Happening at the right time. | Timely, favorable, appropriate. |
Onward | Moving forward. | Advancing, progressing, forward. |
Over-the-top | Exceeding expectations in a good way. | Extraordinary, exceptional, extravagant. |
Adjectives That Start With M: 280 ‘M’ Adjectives
Negative Adjectives
Here are 30 unique negative adjectives starting with “O,” each with its definition and synonyms:
Adjective | Definition | Synonyms |
Obnoxious | Extremely unpleasant or offensive. | Repellent, distasteful. |
Obscure | Difficult to understand; unclear. | Vague, ambiguous. |
Obsessive | Excessively preoccupied. | Fixated, compulsive. |
Offensive | Causing anger or displeasure. | Insulting, disrespectful. |
Ominous | Suggesting that something bad will happen. | Threatening, foreboding. |
Oppressive | Harsh or difficult to endure. | Tyrannical, heavy-handed. |
Outdated | No longer in use or fashionable. | Obsolete, old-fashioned. |
Overbearing | Domineering or excessively controlling. | Authoritarian, bossy. |
Overcritical | Excessively judgmental. | Faultfinding, harsh. |
Overemotional | Excessively emotional or dramatic. | Sentimental, melodramatic. |
Overwrought | Extremely agitated or stressed. | Anxious, tense. |
Ostentatious | Designed to impress or attract attention. | Flashy, pretentious. |
Outrageous | Shockingly wrong or inappropriate. | Scandalous, outrageous. |
Obdurate | Stubbornly resistant to change or persuasion. | Unyielding, inflexible. |
Obtuse | Slow to understand; dull-witted. | Insensitive, thick-headed. |
Offhand | Done without preparation or consideration. | Casual, careless. |
Oafish | Clumsy and foolish. | Awkward, bumbling. |
Overindulgent | Excessively lenient or permissive. | Over-permissive, lenient. |
Oblivious | Lacking awareness or attention. | Unaware, neglectful. |
Out of control | Not manageable; chaotic. | Unruly, unrestrained. |
Overconfident | Excessively sure of oneself. | Arrogant, cocky. |
Overdramatic | Exaggeratedly emotional or theatrical. | Exaggerated, overblown. |
Overcomplicated | Made unnecessarily difficult or complex. | Convoluted, intricate. |
Overwhelming | Too much to handle. | Overpowering, excessive. |
Oppositional | Tending to resist or oppose. | Defiant, contrary. |
Outmoded | No longer fashionable or in use. | Outdated, obsolete. |
Outlandish | Extremely strange or bizarre. | Peculiar, weird. |
Ostensible | Appearing to be true, but not necessarily so. | Apparent, superficial. |
Overt | Open and observable; not hidden. | Blatant, obvious. |
Obligatory | Required, often unwelcome or burdensome. | Mandatory, compulsory. |
Neutral Adjectives
Here’s a list of 30 neutral adjectives starting with “O,” along with their definitions and synonyms:
Adjective | Definition | Synonyms |
Objective | Not influenced by personal feelings. | Impartial, unbiased, neutral. |
Obvious | Easy to see or understand. | Clear, apparent, evident. |
Ordinary | Common or usual, not special. | Average, normal, regular. |
Open | Allowing access or passage. | Accessible, clear, unrestricted. |
Original | Not copied or imitated. | Unique, authentic, creative. |
Optimistic | Hopeful about the future. | Positive, hopeful, confident. |
Obscure | Not well known or unclear. | Unknown, vague, unclear. |
Outdated | No longer in use or current. | Old-fashioned, obsolete, archaic. |
Optional | Left to one’s choice, not required. | Voluntary, elective, discretionary. |
Overlooked | Not noticed or given attention. | Ignored, neglected, disregarded. |
Opaque | Not transparent or hard to understand. | Unclear, muddy, obscure. |
Outgoing | Friendly and sociable. | Sociable, friendly, extroverted. |
Official | Relating to an authority or government. | Formal, authorized, legitimate. |
Organic | Derived from living matter. | Natural, biological, ecological. |
Overwhelming | Very strong or intense. | Overpowering, intense, massive. |
Obligatory | Required by law or rule. | Mandatory, required, compulsory. |
On-time | Happening at the correct time. | Punctual, timely, prompt. |
Overestimated | Rated too highly. | Exaggerated, inflated, overblown. |
Opposite | Completely different in direction or nature. | Contrary, inverse, reverse. |
Optimized | Made the best or most effective use of. | Improved, refined, enhanced. |
Overused | Used too often. | Worn-out, excessive, common. |
Overbearing | Domineering or controlling. | Bossy, authoritarian, controlling. |
Overconfident | Excessively sure of oneself. | Arrogant, self-assured, cocky. |
Outstanding | Excellent or remarkable. | Exceptional, remarkable, excellent. |
Offensive | Causing displeasure or resentment. | Insulting, rude, disrespectful. |
Obliging | Willing to help or do favors. | Accommodating, helpful, cooperative. |
Overcooked | Cooked too long. | Burnt, overdone, charred. |
Oblivious | Unaware or forgetful. | Unaware, heedless, negligent. |
Overweight | Having excess body weight. | Heavy, fat, chubby. |
Overactive | More active than normal. | Hyperactive, restless, energetic. |
89 Unique Adjectives That Start With L: With Short Examples & Using Tips
Descriptive Adjectives
Here are 30 descriptive adjectives starting with “O,” along with their definitions and synonyms:
Adjective | Definition | Synonyms |
Obedient | Following commands or instructions; compliant. | Dutiful, submissive, docile. |
Obscure | Not well known or hard to understand. | Unclear, ambiguous, hidden. |
Obese | Excessively fat or overweight. | Overweight, chubby, plump. |
Obnoxious | Highly offensive or unpleasant. | Annoying, intolerable, offensive. |
Observant | Quick to notice or perceive things. | Attentive, sharp, vigilant. |
Obsolete | No longer in use or outdated. | Outdated, archaic, old-fashioned. |
Odd | Strange or unusual. | Peculiar, weird, bizarre. |
Offensive | Causing offense or upset. | Rude, insulting, disrespectful. |
Official | Authorized or recognized by an authority. | Formal, approved, legitimate. |
Optimistic | Hopeful and positive about the future. | Hopeful, positive, cheerful. |
Opulent | Rich and luxurious in appearance. | Luxurious, lavish, wealthy. |
Ordinary | Commonplace or not special. | Average, mundane, typical. |
Organized | Arranged or structured in a neat way. | Tidy, systematic, efficient. |
Outrageous | Extremely unusual or shocking. | Shocking, extreme, scandalous. |
Outstanding | Exceptionally good or impressive. | Excellent, remarkable, extraordinary. |
Overjoyed | Extremely happy or delighted. | Thrilled, elated, ecstatic. |
Overweight | Heavier than normal or healthy. | Obese, chubby, heavy. |
Overwhelming | Too much to handle or overpowering. | Intense, overpowering, immense. |
Overrated | Considered better than it really is. | Exaggerated, inflated, overstated. |
Opaque | Not transparent; hard to see through. | Cloudy, frosted, non-transparent. |
Open | Not closed; accessible. | Exposed, clear, unsealed. |
Oppressive | Causing discomfort due to heat or harshness. | Stifling, heavy, burdensome. |
Optimized | Made the best or most effective use of. | Improved, refined, enhanced. |
Ornate | Decorated in a detailed and fancy way. | Elaborate, decorated, intricate. |
Original | Not copied; the first of its kind. | Unique, authentic, inventive. |
Outgoing | Sociable and energetic. | Friendly, extroverted, sociable. |
Overconfident | Excessively sure of oneself. | Arrogant, cocky, self-assured. |
Offhand | Casual or without preparation. | Casual, spontaneous, impromptu. |
Obliging | Willing to do favors; helpful. | Accommodating, helpful, considerate. |
Orphaned | Having lost one’s parents. | Bereaved, parentless, deserted. |
Compliments Starting with ‘O’
Here’s a list of compliments that start with “O,” along with their definitions and synonyms.
Adjective/Phrase | Definition | Synonyms |
Outstanding | Exceptionally good. | Excellent, remarkable, impressive. |
Original | Unique and creative. | Innovative, fresh, inventive. |
Optimistic | Always hopeful and positive. | Positive, hopeful, cheerful. |
Open-minded | Willing to consider new ideas. | Receptive, accepting, flexible. |
Outstandingly talented | Highly skilled and exceptional in abilities. | Gifted, brilliant, proficient. |
Organized | Able to plan and arrange things efficiently. | Systematic, tidy, methodical. |
Observant | Quick to notice things. | Aware, attentive, perceptive. |
On-point | Exactly right or appropriate. | Perfect, accurate, precise. |
Outspoken | Honest and direct in speaking. | Frank, candid, blunt. |
Optimistic thinker | A person with a positive outlook on life. | Hopeful, idealistic, forward-thinking. |
Overachiever | Someone who achieves more than expected. | High performer, go-getter, achiever. |
Overwhelmingly kind | Extremely kind and generous. | Benevolent, compassionate, warm-hearted. |
Open-hearted | Honest and sincere. | Genuine, truthful, warm. |
Outstandingly beautiful | Exceptionally attractive. | Stunning, gorgeous, radiant. |
Optimally skilled | Highly proficient and skilled. | Expert, adept, masterful. |
Observant listener | A person who listens attentively. | Attentive, considerate, engaged. |
Open to ideas | Willing to listen and accept new suggestions. | Receptive, accepting, adaptable. |
Otherworldly | Incredibly impressive or almost unreal. | Extraordinary, surreal, divine. |
One-of-a-kind | Unique and unmatched. | Uncommon, exceptional, rare. |
Outstanding performance | An excellent demonstration of skills. | Excellent work, exceptional achievement, stellar. |
Optimistic energy | Positive and motivating energy. | Uplifting, encouraging, motivating. |
Original thinker | Someone who comes up with unique ideas. | Creative, innovative, inventive. |
Open to feedback | Willing to accept and consider suggestions. | Receptive, flexible, teachable. |
Overwhelmingly supportive | Extremely helpful and encouraging. | Supportive, encouraging, caring. |
Optimized performance | Maximized effectiveness and efficiency. | Efficient, enhanced, refined. |
Outstanding work ethic | A strong and admirable approach to work. | Diligent, disciplined, committed. |
On-the-ball | Very alert and quick to act. | Sharp, quick-witted, attentive. |
Overwhelmingly creative | Extremely imaginative and innovative. | Artistic, inventive, visionary. |
One in a million | Very special or unique. | Exceptional, extraordinary, rare. |
Open to change | Willing to adapt and embrace new situations. | Flexible, adaptable, willing. |
Adjectives That Start With K: 312 K Adjectives
Adjectives That Start With “O” to Describe a Person
Here’s a revised list of 30 adjectives starting with “O” to describe a person.
Adjective/Word | Definition | Synonyms |
Obedient | Follows rules or instructions. | Compliant, docile, submissive. |
Observant | Quick to notice or perceive things. | Attentive, alert, perceptive. |
Obnoxious | Very unpleasant or rude. | Annoying, offensive, irritating. |
Optimistic | Hopeful and positive about the future. | Hopeful, cheerful, positive. |
Organized | Neat and efficient. | Orderly, tidy, methodical. |
Outgoing | Friendly and socially confident. | Extroverted, sociable, friendly. |
Overbearing | Excessively controlling or domineering. | Arrogant, bossy, domineering. |
Outstanding | Extremely good or impressive. | Excellent, remarkable, exceptional. |
Open-minded | Willing to consider new ideas. | Tolerant, broad-minded, receptive. |
Original | Not a copy; unique. | Creative, inventive, novel. |
Oblivious | Unaware or forgetful. | Unaware, ignorant, heedless. |
Overjoyed | Extremely happy. | Ecstatic, thrilled, delighted. |
Outspoken | Speaking freely or boldly. | Frank, direct, candid. |
Opportunistic | Taking advantage of opportunities, sometimes unfairly. | Self-serving, exploitative, calculating. |
Odd | Strange or unusual. | Unconventional, quirky, peculiar. |
Overweight | Having excess weight. | Heavy, plump, chubby. |
Obese | Extremely overweight. | Fat, corpulent, portly. |
Offensive | Causing anger or displeasure. | Insulting, disrespectful, rude. |
Observing | Paying close attention. | Watching, noticing, examining. |
Overconfident | Having excessive confidence. | Arrogant, cocky, self-assured. |
Ornery | Easily angered or bad-tempered. | Irritable, grumpy, cantankerous. |
Overprotective | Excessively protective. | Coddling, shielding, cautious. |
Ostentatious | Showy or flashy. | Pretentious, extravagant, flamboyant. |
Ordinary | Common, not special. | Average, usual, typical. |
Ominous | Suggesting something bad will happen. | Threatening, foreboding, sinister. |
On-the-ball | Quick to understand and react. | Alert, sharp, attentive. |
Obliging | Willing to help or be helpful. | Helpful, accommodating, considerate. |
Obdurate | Stubborn and unyielding. | Inflexible, rigid, resolute. |
Onerous | Burdensome or difficult to deal with. | Demanding, taxing, troublesome. |
Opulent | Rich and luxurious in appearance. | Lavish, affluent, wealthy. |
Adjectives to Describe Colors Starting with ‘O’
Here are 30 adjectives to describe colors that start with the letter “O,” along with their definitions and synonyms:
Adjective/Color Name | Definition | Synonyms |
Ochre | A yellow-brown color. | Yellowish, brownish-yellow, earthy. |
Olive | A dark yellowish-green color. | Greenish-brown, army green, mossy. |
Onyx | A deep black color. | Jet black, coal, ebony. |
Opal | A color with a rainbow-like sheen, often milky. | Iridescent, pearly, milky. |
Orange | A bright color between red and yellow. | Tangerine, coral, amber. |
Ochre-yellow | A mix of yellow and ochre. | Golden, mustard, brownish-yellow. |
Overcast Gray | A dull, cloudy gray. | Cloudy, stormy gray, dull gray. |
Opaline | A soft, pale opal-like color. | Pearlescent, translucent, milky. |
Oyster | A pale grayish-beige color. | Taupe, sand, beige. |
Olive Green | A dull, muted green resembling olive trees. | Army green, khaki, sage. |
Orchid | A light purple color, like the flower. | Lavender, mauve, lilac. |
Ochroid | A yellow or brownish-yellow color. | Amber, gold, mustard. |
Opium Red | A reddish-brown color. | Burgundy, wine red, deep red. |
Obsidian | A very dark, almost black, color. | Coal, jet, ink-black. |
Outrageous Orange | A bright, intense orange color. | Neon orange, vivid orange, bright tangerine. |
Opal Blue | A soft, pastel blue color. | Powder blue, baby blue, sky blue. |
Olive Drab | A dull olive green color often used in military. | Army green, dull green, khaki. |
Onyx Black | A rich, dark black color. | Midnight black, jet black, pitch black. |
Ocean Blue | A deep blue color, like the ocean. | Navy blue, sea blue, deep blue. |
Oxidized Green | A greenish color caused by oxidation. | Verdigris, rusty green, patina. |
Oatmeal | A soft, light grayish-brown color. | Beige, taupe, light brown. |
Opium Pink | A dark, muted pinkish-red. | Rose, dusty rose, deep pink. |
Onion Skin | A pale yellow color. | Pale yellow, butter yellow, light yellow. |
Ozone Blue | A cool, light blue. | Light blue, ice blue, sky blue. |
Olivine | A greenish-yellow color, like the mineral. | Yellow-green, olive, chartreuse. |
Orange-Red | A reddish hue of orange. | Coral, flame, scarlet. |
Old Gold | A darker, more antique gold color. | Antique gold, bronze, dark yellow. |
Onyx Gray | A dark gray with a hint of black. | Charcoal gray, slate, anthracite. |
Overripe Banana | A yellow with brown spots, like a ripe banana. | Brownish-yellow, spotted yellow, faded yellow. |
Oil Blue | A deep, almost black blue. | Navy blue, indigo, midnight blue. |
Adjectives That Start With J: 270+ J Adjectives
Funny Adjectives That Start With “O”
Here are 30 funny adjectives starting with “O,” along with their definitions and synonyms:
Adjective/Word | Definition | Synonyms |
Odd | Strange or unusual | Uncommon, weird, quirky |
Outrageous | Very shocking or extreme | Scandalous, absurd, baffling |
Oafish | Clumsy or Foolish | Awkward, foolish, bumbling |
Over-the-top | Excessively dramatic or exaggerated | Extravagant, overblown, extreme |
Obsessive | Showing an excessive preoccupation with something | Fixated, compulsive, fanatical |
Outlandish | Very strange or bizarre | Eccentric, odd, unconventional |
Overzealous | Too enthusiastic or eager | Overenthusiastic, fanatical, excessive |
Out-of-this-world | Extremely good or impressive | Fantastic, amazing, extraordinary |
Obnoxious | Very unpleasant or annoying | Irritating, rude, offensive |
Oily | Slick or slippery; overly smooth or insincere | Greasy, slick, smooth-talking |
Ostrich-like | Avoiding problems or issues, like an ostrich burying its head | Evasive, avoidant, indifferent |
Out-of-place | Not suited for the situation | Unfit, awkward, ill-suited |
Oodles of | A large amount of something | Tons, heaps, loads |
Omnipotent | All-powerful | All-mighty, supreme, almighty |
Oodlesome | Extremely abundant or plentiful | Bountiful, overflowing, abundant |
Overbearing | Arrogantly domineering or controlling | Bossy, domineering, pushy |
On-the-nose | Exactly correct or precise | Spot-on, accurate, perfect |
Ornery | Difficult or irritable | Grumpy, stubborn, bad-tempered |
Outlandish | Extremely unconventional or bizarre | Weird, peculiar, freakish |
Obese | Very overweight | Fat, corpulent, chubby |
Overjoyed | Extremely happy | Elated, thrilled, ecstatic |
Outspoken | Speaking boldly or freely | Frank, candid, direct |
Oblivious | Not aware or concerned about what is happening around | Unaware, clueless, inattentive |
Ominous | Giving the impression that something bad is going to happen | Threatening, foreboding, sinister |
Outrageous | Shockingly bad or excessive | Unbelievable, wild, excessive |
Over-the-hill | No longer young or in prime condition | Aged, past one’s prime, senior |
Overcooked | Cooked too much, leading to an unpleasant result | Burnt, overdone, dry |
Offbeat | Unusual or unconventional | Eccentric, unconventional, quirky |
Obscure | Not well-known or unclear | Unclear, unknown, vague |
Overjoyed | Extremely happy | Elated, thrilled, ecstatic |
These adjectives are great for adding humor and fun descriptions to your language.
300 Adjectives That Start With I: Synonyms & Examples
Example Sentences for Adjectives That Start with “O”
Here are 30 example sentences for adjectives starting with “O” in simple, easy wording:
Adjective Key | Sentence | Examples |
Old | The old man walked slowly down the street. | Ancient house, old woman, aged book |
Orange | She wore an orange dress to the party. | Tangerine fruit, orange sunset, bright orange shirt |
Open | The open window let in fresh air. | Open door, open book, open field |
Odd | He has an odd way of speaking. | Odd behavior, odd shape, odd decision |
Obese | The obese dog could barely run. | Obese cat, obese person, obese elephant |
Obvious | That was an obvious mistake. | Obvious fact, obvious choice, obvious lie |
Outgoing | The outgoing girl made friends quickly. | Outgoing boy, outgoing personality, outgoing colleague |
Obedient | The obedient child listened to his parents. | Obedient dog, obedient students, obedient soldier |
Optimistic | The optimistic woman always looks on the bright side. | Optimistic outlook, optimistic leader, optimistic forecast |
Original | The original painting was very expensive. | Original idea, original design, original copy |
Overweight | The overweight cat loves to sleep all day. | Overweight dog, overweight man, overweight population |
Outstanding | She gave an outstanding performance in the play. | Outstanding achievement, outstanding results, outstanding athlete |
Organic | The organic food is very healthy. | Organic vegetables, organic product, organic farming |
Overjoyed | The overjoyed fans cheered loudly. | Overjoyed parents, overjoyed winner, overjoyed crowd |
Ordinary | His ordinary job didn’t excite him. | Ordinary person, ordinary dress, ordinary meal |
Opaque | The opaque glass made it hard to see through. | Opaque curtain, opaque liquid, opaque surface |
Opposite | The opposite of love is hate. | Opposite sides, opposite meanings, opposite opinions |
Outdated | The outdated computer was replaced with a new one. | Outdated model, outdated methods, outdated technology |
Oily | The oily skin needs special treatment. | Oily surface, oily hair, oily food |
Overcrowded | The overcrowded room was difficult to move in. | Overcrowded train, overcrowded market, overcrowded shelter |
Official | The official documents were signed yesterday. | Official announcement, official rules, official record |
Overprotective | Her overprotective parents wouldn’t let her go out. | Overprotective father, overprotective attitude, overprotective guardians |
Oversized | He wore an oversized jacket. | Oversized shirt, oversized bag, oversized chair |
Old-fashioned | The old-fashioned lamp looked beautiful in the living room. | Old-fashioned clock, old-fashioned idea, old-fashioned dress |
Ornate | The ornate vase stood in the middle of the table. | Ornate design, ornate ceiling, ornate frame |
Open-minded | The open-minded teacher listened to all opinions. | Open-minded leader, open-minded approach, open-minded conversation |
Odd-looking | The odd-looking tree had twisted branches. | Odd-looking animal, odd-looking building, odd-looking character |
Outward | The outward appearance can sometimes be deceiving. | Outward signs, outward behavior, outward perspective |
300 Adjectives That Start With H: Synonyms & Examples
Final Thought
Adjectives starting with “O” add vivid detail to language, helping describe people, places, and things clearly. Words like obedient and outstanding express qualities and emotions more precisely.
Whether describing an obscure idea, an ordinary object, or an opulent lifestyle, these adjectives deepen your writing. They make your communication more engaging and expressive, ensuring your descriptions stand out.
Test Your Knowledge with Fun Quizzes: 20 Adjectives Starting with “O”
Fill in the blanks with the correct adjective starting with “O”:
The weather today is ____.
- a) Clear
- b) Overcast
- c) Sunny
- d) Rainy
✅ Correct Answer: b) Overcast
She gave an ____ answer to the question.
- a) Vague
- b) Hesitant
- c) Outspoken
- d) Incorrect
✅ Correct Answer: c) Outspoken
He looked ____ after running the race.
- a) Calm
- b) Overwhelmed
- c) Cheerful
- d) Relaxed
✅ Correct Answer: b) Overwhelmed
This book is ____ for young readers.
- a) Complicated
- b) Suboptimal
- c) Optimal
- d) Difficult
✅ Correct Answer: c) Optimal
The ____ dog barked loudly.
- a) Obedient
- b) Lazy
- c) Friendly
- d) Quiet
✅ Correct Answer: a) Obedient
The ____ house was perfect for a family.
- a) Ordinary
- b) Outstanding
c) Overcrowded - d) Old
✅ Correct Answer: b) Outstanding
Her ____ attitude made her a favorite among her friends.
- a) Negative
- b) Optimistic
- c) Quiet
- d) Reserved
✅ Correct Answer: b) Optimistic
The ____ movie kept us entertained for hours.
- a) Dull
- b) Original
- c) Repetitive
- d) Boring
✅ Correct Answer: b) Original
He gave an ____ performance in the play.
- a) Outstanding
- b) Poor
- c) Mediocre
- d) Average
✅ Correct Answer: a) Outstanding
The ____ tree was full of fruit.
- a) Dying
- b) Overgrown
- c) Stunted
- d) Leafless
✅ Correct Answer: b) Overgrown
The ____ painting hung on the wall.
- a) Obvious
- b) Obscure
- c) Bright
- d) Common
✅ Correct Answer: b) Obscure
She wore a ____ dress to the party.
- a) Simple
- b) Opulent
- c) Plain
- d) Modest
✅ Correct Answer: b) Opulent
The ____ mountain peak was covered in snow.
- a) Gentle
- b) Ominous
- c) Low
- d) Flat
✅ Correct Answer: b) Ominous
He had a ____ voice that made everyone listen.
- a) Overpowering
- b) Soft
- c) Weak
- d) Muffled
✅ Correct Answer: a) Overpowering
The ____ road led us to a beautiful park.
- a) Closed
- b) Open
- c) Narrow
- d) Hidden
✅ Correct Answer: b) Open
The ____ cat was always playful.
- a) Outgoing
- b) Shy
- c) Lazy
- d) Silent
✅ Correct Answer: a) Outgoing
His ____ behavior caused many problems.
- a) Predictable
- b) Odd
- c) Calm
- d) Normal
✅ Correct Answer: b) Odd
The ____ sky was full of stars.
- a) Cloudy
- b) Opaque
- c) Clear
- d) Bright
✅ Correct Answer: b) Opaque
The ____ cake tasted delicious.
- a) Dry
- b) Oily
- c) Stale
- d) Burnt
✅ Correct Answer: b) Oily
The ____ student answered all the questions correctly.
- a) Observant
- b) Careless
- c) Distracted
- d) Inattentive
✅ Correct Answer: a) Observant
300 Adjectives That Start With G: Synonyms & Examples