Adjective meaning serves the sense of modifying nouns or pronouns. They describe the qualities of someone or something independently or in connection to something else. Adjective examples are: The boy is tall and skinny. Jane is more intelligent than her brother. I like old houses. Here we have compiled the complete list of adjectives that start with O.
List of Adjectives that start with O
- Oak
- Oaken
- Obligated
- Obliging
- Oblique
- Obliterable
- Obliterated
- Oblivious
- Oblong
- Obscure
- Observable
- Observant
- Obstinate
- Obstructed
- Obstructive
- Obtainable
- Obtrusive
- Obtuse
- Obvious
- Occasional
- Occipital
- Occluded
- Occupational
- Occupied
- Oceanic
- Ochre
- Octangular
- Octogenarian
Adjectives That Start With the Letter O
- Odious
- Odorless
- Off
- Offbeat
- Offensive
- Offhand
- Official
- Offshore
- Offstage
- Old
- Olden
- Older
- Olfactory
- Olive
- Omissible
- Oncological
- Oncoming
- One
- Ongoing
- Only
- Onshore
- Opaque
- Open
- Opening
- Operant
- Operating
- Opinionated
- Opponent
- Opportunist
- Opposite
- Optic
- Optional
- Oral
- Orange
- Orbital
- Orchestral
- Ordained
Adjective Words That Start With O
- Ordeal
- Ordered
- Ordinary
- Oriental
- Oriented
- Ornate
- Orthopedic
- Orwellian
- Ostensive
- Other
- Out
- Outbound
- Outdoor
- Outgoing
- Outlandish
- Ovation
- Overage
- Overall
- Overcast
- Overcoming
- Overhead
- Overland
- Overly
- Overnight
- Overshot
- Overstuffed
- Overt
- Overweight
- Ovid
- Own
- Owned
- Ownerless
- Oxidized
- Oxlike
List of Adjectives With O
- Outbound
- Only
- Offbeat
- Old
- Oversized
- Oily
- Open-hearted
- Obedient
- Observable
- Operational
- Omnipresent
- Omnipotent
- Objective
- Open-minded
- Opportune
- Ongoing
- Overburdened
- Obese
- Obscene
- Outdated
- Offensive
- Oppressive
- Overactive
- Obsolete
- Opposite
- Obtrusive
- Omniscient
- Outlandish
- Obtuse
- Outmoded
- Officious
- Opinionated
- Overexcited
- Orthodox
- Odd
- Outspoken
- Odorous
- Odoriferous
- Occupied
- Opulent
- Outstanding
- Open
- Ornamental
- Ornate
- Offshore
- Official
- Overpowering
- Overjoyed
- Obsessive
- Offended
- Obstinate
- Optimistic
- Objectionable
- Ominous
- Outrageous
- Obnoxious
- Outgoing
- Odious
- Overfed
- Overweight
- Observant
- Optimum
- Optional
- Original
- Obscure
- Organized
- Oblique
- Overt
- Obliging
- Oblong
- Oblivious
- Overzealous
- Outcast
- Obligated
- Operant
- Opaque
- Optative
- Ottoman
- Oropharyngeal
- Oecumenic
- Overcooked
- Orchestral
- Orthogonal
- Oncoming
- Outraged
- Offish
- Occasional
- Octal
- Oleaceous
- Optical
- Opening
- Oafish
- Odiferous
- Odourless
- Occidental
- OK
- Oxidative
- Organized
- Oaten
- Overfamiliar
- Operating
- Oceanic
- Oversuspicious
- Offstage
- Omnifarious
- Orphaned
- Omnivorous
- Oecumenical
- Operatic
- Occipital
- Overheated
- Onymous
- Orange
- Overshot
- Overbearing
- Obliterate
- Otherwise
- Outermost
- Overwhelmed
- Overwrought
- Operative
- Organic
- Opportunistic
- Oracular
- Overcrowded
- Overproud
- Offhand
- Openmouthed
List of Positive Adjectives Starting With O
- Objective
- Obligated
- Obliging
- Observable
- Observant
- Observational
- Obtainable
- Obvious
- Occurrent
- Official
- OK
- Okay
- Olympian
- Olympic
- Omnibus
- Omnidirectional
- Omnipotent
- Omnipresent
- Omniscient
- On
- One
- Onetime
- Ongoing
- On-going
- Online
- Only
- Opalescent
- Opaline
- Open
- Opened
- Open-ended
- Openhearted
- Opening
- Open-minded
- Operable
- Operant
Negative Adjectives That Start With O
Good Adjectives That Start With the Letter O
- Operating
- Operational
- Operative
- Opportune
- Opportunist
- Opportunistic
- Optimal
- Optimistic
- Optimum
- Optional
- Opulent
- Oracular
- Orchestral
- Ordained
- Ordered
- Orderly
- Organic
- Organized
- Orientated
- Orientating
- Oriented
- Original
- Originative
- Ornamental
- Ornate
- Orotund
- Orthodox
- Over
- Overabundant
- Overall
- Overjoyed
- Overt
Superlative Adjectives That Start With O
- Oddest
- Only
- Outstanding
- Oldest
- Optimal
- One-of-a-kind
- Open-minded
- Obvious
- Overwhelming
- Offbeat
- Outrageous
- Oceanic
- Obsessive
- Organized
Adjectives to Describe a Person Start With O
- Oafish
- Objectionable
- Obscene
- Odd
- Odious
- Offensive
- OK
- Okay
- Old
- Older
- Oldish
- Open
- Openhanded
- Orderly
- Ordinary
- Outcast
- Outclassed
- Outdated
- Outdoorsy
- Outgoing
- Outlandish
- Outlaw
- Outmoded
- Outrageous
- Outright
- Outspoken
- Outspread
- Outstanding
- Overachiever
- Overbooked
- Overburdened
- Overcharged
- Overcoached
- Overcommitted
- Overcounted
- Overdeveloped
- Overdosed
- Overdressed
- Overeducated
- Overexerted
- Overexerting
- Overexposed
- Overextended
- Overfatigued
- Overfed
- Overfulfilled
- Overinformed
- Overnighter
- Oversteered
- Overweight
- Overwhelming
- Obedient
- Objective
- Obliging
- Obnoxious
- Obsessional
- Obsessive
- Obstinate
- Officious
- Opinionated
- Optimistic
- Organized
- Ostentatious
- Outgoing
- Outraged
- Overachieving
- Overanxious
- Overbearing
- Overconcerned
- Overcritical
- Overemotional
- Overexcited
- Overfocused
- Overindulgent
- Overjoyed
- Overmodest
- Overprotective
- Overwhelmed
- Overwrought
- Overzealous
10 Example Sentences With O Adjectives
We can use adjectives in different positions in a sentence, depending on the specific English grammar rules of the language.
Here are 10 examples of sentences with ‘o’ adjectives:
- The old house stood abandoned at the end of the street.
- The orange sunset painted the sky with vibrant hues.
- The observant detective noticed a small detail that others missed.
- The optimistic student believed in the power of hard work.
- The outgoing child made friends easily at the playground.
- The organized shelves displayed a neat arrangement of books.
- The original artwork captivated viewers with its unique style.
- The obedient dog followed every command without hesitation.
- The outstanding performance received a standing ovation from the audience.
- The optimistic outlook helped her overcome challenges with a positive mindset.
15 Examples Of Descriptive Adjectives That Start With “O”
Here are descriptive adjectives that start with O
- Observant: Defined as quick to notice or perceive things.
- Optimistic: Someone having a positive outlook.
- Outstanding: Remarkable, or distinguished.
- Organized: Structured systematically and efficiently.
- Original: Unique or innovative.
- Ornate: Often with intricate details.
- Open-minded: Receptive to new experiences.
- Obedient: Submissive to authority or following instructions willingly.
- Overjoyed: Defined as extremely happy or delighted.
- Observational: Gathering information through careful attention.
- Optimized: You can define it as modified or adjusted for the best performance or efficiency.
- Outgoing: Extroverted, or friendly.
- Organic: Defined as producing something without the use of artificial chemicals.
- Opaque: Difficult to see through or understand.
- Overwhelming: Causing strong emotional responses.
Frequently Asked Questions
What are 10 positive adjectives that start with o?
- Optimistic
- Open-minded
- Outstanding
- Observant
- Original
- Optimized
- Openhearted
- Overjoyed
- Obedient
- Opportunistic
What are adjectives that start with o to describe a person?
- Observant
- Outgoing
- Optimistic
- Open-minded
- Openhearted
- Original
- Organized
- Optimized
- Observational
- Outstanding
Explore A-Z Positive Adjectives:
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