Oversaturated with possibilities yet often overlooked in the English language, words that start with O offer great potential to enliven any text or conversation.
With a wide variety of meanings and connotations, these verbal gems can quickly transform an otherwise boring piece into a captivating story or pithy conversation.
Whether you’re describing the ocean tides, expressing optimism for the future, or simply having fun playing word games, there is plenty of choice among words starting with O.
Table of Contents
List of Describing Words with O
20 O Words To Describe Someone
- Objective: Focused on reaching a clear goal or outcome.
- Open-minded: Willing to consider new ideas and perspectives.
- Organized: Able to stay on top of tasks and manage time efficiently.
- Optimistic: Possessing an upbeat attitude and outlook.
- Observant: Quickly notices details or patterns.
- Outgoing: Enjoys social interaction and doesn’t shy away from meeting new people.
- Original: Displays creativity in problem-solving or expression.
- Opinionated: Not afraid to express their thoughts and beliefs openly.
- Outspoken: Willing to share their ideas with others.
- Outstanding: Exemplary in their work or behavior, always looking for ways to improve.
- Old: Experienced in age or knowledge.
- Objectionable: Unacceptable or disagreeable.
- Obligatory: Required by law, moral code, or custom.
- Obliging: Ready to help or accomodate.
- Oblique: Not straightforward in speech or action.
- Oblivious: Unaware or unobservant.
- Oblong: Having a longer length than width.
- Obnoxious: Extremely unpleasant or offensive to others.
- Obscene: Offensive or indecent in language, behavior, or appearance.
- Overconfident: Having an exaggerated belief in one’s own abilities.
List of Describing Words Starting with O to Describe Someone
- Occupational
- Ornate
- Offstage
- Overcoming
- Olive
- Overshot
- Occluded
- Oriented
- Oblong
- Opportunist
- Odorless
- Outdoor
- Oncoming
- Overweight
- Off
- Outgoing
- Octogenarian
- Out
- Offbeat
- Outlandish
- Octangular
- Other
- Older
- Overly
- Observant
- Optional
- Obligated
- Open
- Oxlike
- Observable
- Optic
- Oaken
- Opaque
- Oxidized
- Obliterated
- Opinionated
- Obstructive
- Orbital
- Odious
- Outbound
- Ongoing
- Own
- Obtrusive
- Offensive
- Ordained
- Ovation
- Olfactory
- Overnight
- Offhand
- Overage
- Obvious
- Ordered
- Obliterable
- Operating
- Official
- Overall
- One
- Ovid
- Oblivious
- Opponent
- Obscure
- Opposite
- Only
- Owned
- Oncological
- Overt
- Ochre
- Ostensive
- Obstructed
- Orange
- Obstinate
- Oral
- Omissible
- Overstuffed
- Obtuse
- Ordeal
- Occasional
- Ordinary
- Old
- Overhead
- Occupied
- Orthopedic
- Offshore
- Overcast
- Oceanic
- Orwellian
- Olden
- Overland
- Obtainable
- Orchestral
- Occipital
- Oriental
- Obliging
- Opening
- Oblique
- Operant
- Oak
- Onshore
- Ownerless
List of Positive & Negative Adjectives (Describing Words)
Positive Describing Words Starting with O
- Omnipresent
- Overabundant
- Openhearted
- Operatic
- Omnipotent
- Over
- Observable
- Ordered
- Online
- Operative
- Only
- Ongoing
- Opalescent
- Onetime
- Operable
- Obtainable
- Organized
- Optimum
- Observational
- Organic
- Optimistic
- Obligated
- Orchestral
- Official
- Oriented
- On-going
- Opportunist
- Okay
- Opaline
- Originative
- Operant
- Open
- Olympic
- Ornate
- Objective
- Oracular
- Opened
- Opportune
- Obliging
- Ordained
- Observant
- Orderly
- Opportunistic
- Operational
- One
- Overt
- Occurrent
- Orientating
- Obvious
- Orientated
- Operating
- Olympian
- Ornamental
- Omnibus
- Orotund
- Opening
- Omniscient
- Overall
- Open-ended
- On
- Overjoyed
- Open-minded
- OK
- Original
- Omnidirectional
- Orthodox
- Optional
- Obedient
- Opulent
- Optimal
Negative Describing Words Starting with O
- Outrageous
- Obsolete
- Obtrusive
- Outraged
- Only
- Obese
- Occluded
- Objectionable
- Oafish
- Overburdened
- Obligated
- Overbearing
- Obstructed
- Opportunist
- Offensive
- Opponent
- Off
- Omissible
- Oppressive
- Obdurate
- Owing
- Occupied
- Obligational
- Outclassed
- Obstructive
- Obligatory
- Outlaw
- Oldest
- Obliterable
- Occult
- Omissive
- Oozy
- Odd
- Obvious
- Overaged
- Opposite
- Opportunistic
- Obtuse
- Outdated
- Outlawed
- Obstinate
- Overactive
- Obsessive
- Overaged
- Obstreperous
- Outcast
- Outmoded
- Oily
- Old
- Odious
Personality Descriptive Words Starting with O
- Obsessive
- Organized
- Overprotective
- Outraged
- Oafish
- Obedient
- Opinionated
- Overzealous
- Overemotional
- Overwrought
- Overcritical
- Overjoyed
- Overanxious
- Objective
- Optimistic
- Obliging
- Overindulgent
- Obnoxious
- Overachieving
- Overmodest
- Overwhelmed
- Overbearing
- Outgoing
- Ostentatious
- Obstinate
- Obsessional
- Officious
- Overexcited
- Overfocused
- Overconcerned
Words Starting with O Describing a Person
- Oldish
- Outright
- Overbooked
- Older
- Overfed
- Outdated
- Overcoached
- Outdoorsy
- Outcast
- Outgoing
- Ordinary
- Outstanding
- Overnighter
- Overeducated
- Overinformed
- Overdressed
- Overextended
- Obscene
- Overwhelming
- Outclassed
- Overcounted
- Odious
- Outlandish
- Overachiever
- Outlaw
- OK
- Overexposed
- Outmoded
- Overcommitted
- Overfatigued
- Overfulfilled
- Overdeveloped
- Overcharged
- Orderly
- Objectionable
- Overweight
- Oversteered
- Overburdened
- Offensive
- Okay
- Outspoken
- Open
- Outrageous
- Openhanded
- Outspread
- Odd
- Old
- Overexerted
- Overexerting
- Overdosed
Adjectives Starting With O To Describe A Person Positively
- Open-minded: willing to listen to and consider different ideas.
- Optimistic: having a cheerful attitude and expecting good results.
- Outgoing: friendly and sociable.
- Observant: paying close attention to details.
- Organized: having everything in the right place.
Adjectives Starting With O To Describe A Person Negatively
- Obnoxious: highly unpleasant or offensive.
- Obstinate: stubbornly refusing to change one’s opinion.
- Overbearing: attempting to domineer over others.
- Overconfident: having too much confidence in one’s own abilities.
- Opportunistic: taking advantage of opportunities without regard for others.
List of Describing Words Starting with Ob
- Obedient
- Obsolescent
- Object-oriented
- Obstruent
- Obligated
- Obverse
- Obedible
- Obsignatory
- Obnoxious
- Obituary
- Obstetricious
- Obliged
- Object-based
- Obstetrick
- Obese
- Obstetric
- Objectionable
- Obstinant
- Obeisaunt
- Obstacular
- Oblationary
- Obtuse
- Obscure
- Oblite
- Obscurant
- Obliquid
- Oblivious
- Observant
- Obfuscatory
- Obstetrical
- Oblike
- Oafish
- Objectionable
- Observed
- Obstinate
- Obligate
- Obtuse-angled
- Objectional
- Obstreperous
- Oaken
- Obsessed
- Obliterative
- Objective
- Obstructed
- Obliging
- Oblong
- Obscene
- Oblimin
- Obligatory
- Obvious
- Obeisant
- Obstacle-ridden
- Observable
- Obsequious
- Obligational
- Obviating
- Observing
- Obdurant
- Obsessional
- Objectual
- Obtainable
- Obediential
- Obsolete
- Objectless
- Obstructive
- Obedt
- Obsoleter
- Oblate
- Obtrusive
- Observational
- Obdurate
- Obsessive
- Obliterable
- Obliterated
- Oblique
List of Describing Words Starting with Oc
- Ochre
- Octogenarian
- Octolocular
- Ocher
- Occultic
- Octopoidal
- Octacyclic
- Octonocular
- Octagonal
- Octacore
- Octahedral
- Octabasic
- Octoid
- Occultural
- Octuple
- Occluse
- Octopic
- Occultive
- Octosyllabic
- Occlusal
- Octopian
- Occulomotor
- Octopodous
- Occupied
- Octacosanoic
- Occidental
- Octopartite
- Ocean-going
- Octal
- Octolateral
- Octameric
- Oceanward
- Occulent
- Octopodal
- Octangular
- Occasional
- Octopaminergic
- Occult
- Octopoid
- Occultistic
- Octopolar
- Occipital
- Octopean
- Octonionic
- Ocreate
- Occupiable
- Occupational
- Ocular
- Octonary
- Oceanic
- Ocellar
- Octogynous
- Ochreous
- Octanoic
- Ochrous
- Octoic
- Occurrent
- Ocellated
- Occlusional
- Octopine
- Occlusive
- Octoploid
- Occluded
- Octopetalous
List of Describing Words Starting with Oe
- Oedipal
- Oestrous
- Oestral
- Oestrogenic
- Oecumenic
- Oecumenical
- Oenological
- Oedematous
- Oenophilic
List of Describing Words Starting with Od
- Odobenine
- Odious
- Odorous
- Odourful
- Odoriferous
- Odourless
- Odorant
- Odd
- Odorless
- Odds-on
- Odic
- Odontoid
- Odd-toed
- Odiferous
- Odometric
- Odometrical
- Oddish
- Odinic
List of Describing Words Starting with Of
- Offline
- Offsite
- Off-the-ball
- Off-limits
- Offending
- Off-road
- Off-air
- Off-the-rack
- Off-sale
- Offputting
- Offscreen
- Off-put
- Off-street
- Off-guard
- Off-campus
- Off-white
- Off-field
- Off-broadway
- Off-track
- Offenceless
- Official
- Off-putting
- Off-beam
- Off-the-shelf
- Officinal
- Off-screen
- Off-target
- Offshore
- Offish
- Offduty
- Offside
- Off-base
- Off-the-record
- Offended
- Offensive
- Offbeat
- Off-the-shoulder
- Off
- Off-the-peg
- Off-piste
- Off-hand
- Offhand
- Off-the-cuff
- Officious
- Off-key
- Off-site
- Off-line
- Offsides
- Off-peak
- Offstage
- Officiary
- Off-kilter
- Off-center
- Oft-repeated
- Off-colour
- Off-book
- Off-the-wall
List of Describing Words Starting with Ok, Ol
- Oldline
- Oleographic
- Oleraceous
- Oldish
- Olive
- Oleaceous
- Oligaemic
- Oleaginous
- Old-world
- Oleanolic
- Old-time
- Oleoresinous
- Okay
- Olympic
- Oligosemic
- Ok
- Olympian
- Oligosaline
- Oliguric
- Olden
- Ole
- Oligarchical
- Oldest
- Olefinic
- Oleose
- Oleic
- Old-fashioned
- Oligotrophic
- Olent
- Oligarchic
- Olivary
- Olivelike
- Oligomeric
- Olfactory
- Old-school
- Olde
- Old
- Olfactive
- Oldfashioned
- Old-growth
- Oleophilic
- Old-line
- Oleochemical
- Old-maidish
- Oleophobic
- Older
- Old-hat
- Oligosynaptic
- Oligotrichous
- Oligopolistic
List of Describing Words Starting with Om
- Omnipresent
- Omnipotent
- Omotic
- Omphacine
- Omophagous
- Omphacitic
- Omophagic
- Omani
- Omosternal
- Ominous
- Omphalic
- Omphalinoid
- Omissive
- Omohyoidean
- Omakase
- Omissible
- Ommatidial
- Omniscient
- Omnivorous
- Omasal
- Omnibus
List of Describing Words Starting with Oo, Op
- Operose
- Opaline
- Oppositional
- Open-and-shut
- Opprobrious
- Operculated
- Open-plan
- Optothermal
- Oolitic
- Opportune
- Opencast
- Opthalmic
- Oozy
- Opportunist
- Oob
- Oppilative
- Opacating
- Opportunistic
- Oo
- Opinionated
- Openable
- Oppressional
- Opephoroid
- Opulent
- Open-handed
- Optimum
- Opensource
- Optronic
- Open-faced
- Optimistic
- Open-minded
- Optomotor
- Operatic
- Oofy
- Opponent
- Opened
- Optical
- Opacifiable
- Operational
- Opposable
- Open-air
- Oppressive
- Opacous
- Opposed
- Operative
- Opening
- Optokinetic
- Opacular
- Opposing
- Opencut
- Optic
- Open-mouthed
- Optospintronic
- Opensightly
- Optotypic
- Open-ended
- Optimal
- Open-book
- Optative
- Opiate
- Operant
- Operable
- Opuntiaceous
- Open-armed
- Opsonic
- Operationalist
- Opercular
- Opaque
- Oppositive
- Ophidian
- Opalescent
- Opposite
- Ophiolitic
- Open
- Oppressed
- Operating
- Operculate
- Open-hearted
- Optional
- Open-hearth
- Optoelectronic
- Open-eyed
- Optimific
List of Describing Words Starting with On
- One-sided
- Onygenaceous
- On-air
- Onioned
- Oncogenetic
- Onirocritic
- Onesided
- Onward
- One-handed
- On-screen
- One-to-one
- Oncologic
- Onlie
- One-touch
- Onetime
- One-track
- One-third
- On-campus
- Oniony
- One-ninth
- Onsite
- One-eighth
- Onomastic
- One-legged
- Onside
- One-day
- On-off
- One-gallused
- On-scene
- One-on-one
- On-stage
- One-time
- Oncoming
- On-line
- One-pot
- One-way
- On-the-spot
- Once-removed
- Oniric
- Ongoing
- Onerous
- Ontogenetic
- One-fourth
- Onrushing
- On-going
- Oncological
- Online
- One-half
- Onscreen
- Oneiric
- Onshore
- One
- Onlooking
- Oncogenomic
- Onlest
- One-tenth
- One-off
- Onstage
- One-note
- On-site
- Oncogenic
- Onkus
- One-quarter
- Ontic
- One-seventh
- Ontologic
- Onanistic
- Onionless
- One-sixth
- Onymous
- On
- On-hand
- One-stop
- Onyx
- On-camera
- Onionlike
- One-piece
- On-the-job
- One-shot
- Ontological
- One-eyed
- Onomatopoeic
- One-fifth
- On-road
- One-armed
- Only
List of Describing Words Starting with Or
- Oratorical
- Ornate
- Ordered
- Oronasal
- Ordurous
- Orphaned
- Oratorian
- Ornamental
- Oriented
- Orthostatic
- Orblike
- Orogenital
- Organic
- Orthodox
- Orchestral
- Orographic
- Orbitual
- Orogastric
- Orchestrated
- Orographical
- Orbitary
- Ornithophilous
- Ordinary
- Orosirian
- Origenist
- Orgulous
- Orthograde
- Origenian
- Orthotropic
- Orgiastic
- Orthogonal
- Orientating
- Orthoptic
- Oracular
- Original
- Orbless
- Orogenic
- Organismic
- Orthogenetic
- Orange
- Orcish
- Originative
- Orolabial
- Ordinate
- Orotund
- Ordained
- Orolingual
- Orangish
- Orinasal
- Orientated
- Orthopedic
- Ordeal
- Orological
- Organismal
- Orthoepic
- Orientational
- Orthorhombic
- Orienting
- Orthotopic
- Orgasmic
- Orthogenic
- Oregonian
- Orthodontic
- Orbital
- Ornithological
- Originable
- Origenistic
- Orectic
- Orphic
- Orangey
- Originless
- Orangy
- Orinocan
- Orderly
- Oroqen
- Orbicular
- Ornery
- Orderable
- Oromucosal
- Orbiculate
- Ornithogenic
- Ordinal
- Orosensory
- Oral
- Originary
- Oratorial
- Orkish
- Orient
- Orthologous
- Oriental
- Orthometric
- Orgastic
- Orthognathic
List of Describing Words Starting with Ou
- Outermost
- Outmost
- Out-of-date
- Outer
- Outback
- Outspoken
- Outland
- Out-of-print
- Outlandish
- Outgunned
- Outlaw
- Outgoing
- Out-of-context
- Outbred
- Outward
- Outrageous
- Outbound
- Outstanding
- Outraged
- Out of work
- Outsize
- Outcoming
- Outjutting
- Out-of-state
- Outdacious
- Outlawed
- Out-of-court
- Outlined
- Outdated
- Out
- Outside
- Outlying
- Out-of-service
- Out-and-out
- Outsized
- Outboard
- Outspread
- Out-of-town
- Out-of-pocket
- Outflung
- Outclassed
- Outcast
- Ouvrierist
- Out-of-order
- Outdate
- Outdoor
- Out-of-body
- Outfitted
- Outmoded
- Outflowing
- Out-of-character
- Outcut
- Outdoorsy
- Outright
- Outshore
- Out-of-work
List of Describing Words Starting with Os
- Osmotic
- Osteogenic
- Ostrich-like
- Osmometric
- Os-specific
- Osteal
- Ossified
- Ostensible
- Ossiferous
- Osteoporotic
- Oscillatory
- Ossom
- Oscitant
- Ostensive
- Ostial
- Ostentatious
- Osculatory
- Osteoarthritic
- Ossiculate
- Oscillating
- Os
- Osculating
- Osmobiotic
- Osteoid
- Osseous
- Osteogenetic
- Ossicular
- Osteopathic
- Oscine
- Osmolar
List of Describing Words Starting with Ot
- Otherwise
- Otterlike
- Otterless
- Otic
- Other-worldly
- Otoscopic
- Other
- Otter
- Ototoxic
List of Describing Words Starting with Ov
- Overabundant
- Overdamped
- Overfurnished
- Over-polite
- Overt
- Overawed
- Overeducated
- Overinvested
- Overready
- Overweight
- Overbooked
- Overenthusiastic
- Overjittery
- Oversea
- Over-zealous
- Over
- Overcurious
- Overfull
- Overplayful
- Oversuspicious
- Overcoached
- Overforested
- Overmastering
- Oversoft
- Overalert
- Overdone
- Overhasty
- Overrank
- Overtrusting
- Overbusy
- Overexerted
- Overjubilant
- Over-sensitive
- Ovigerous
- Overall
- Overdoped
- Overhead
- Overrash
- Overturnable
- Overaged
- Overdocumented
- Overhand
- Overraced
- Overtouristed
- Overalled
- Overdosed
- Overheated
- Over-rated
- Overturned
- Overage
- Overdeveloped
- Overgrown
- Overqualified
- Overtired
- Overblown
- Overemotional
- Overish
- Overripe
- Overwrought
- Overcoming
- Overfraught
- Overmotivated
- Oversophisticated
- Overclad
- Overfed
- Overlayered
- Oversize
- Overcoatless
- Overfragrant
- Overmodest
- Oversolicitous
- Overcivilized
- Overfatigued
- Overlarge
- Oversimplistic
- Overclothed
- Over-fond
- Overly
- Oversnowed
- Oval
- Overconcerned
- Overfrequent
- Overneat
- Overspeeding
- Overaggressive
- Overdominant
- Overhanded
- Overracked
- Overtroubled
- Overcast
- Overexposed
- Overkeen
- Oversewn
- Ovular
- Ovarian
- Overanxious
- Overconscientious
- Overdramatic
- Overfriezed
- Overhyped
- Overnice
- Overreaching
- Oversteered
- Overuniform
- Overbold
- Overemphatic
- Overjealous
- Over-ripe
- Overzealous
- Overapt
- Overdressed
- Overinclusive
- Overreactive
- Overvaliant
- Ovation
- Overconsiderate
- Overfucked
- Overnighter
- Overstrung
- Overclose
- Overfond
- Overlooked
- Oversmoothed
- Overarm
- Overdue
- Overindebted
- Over-reactive
- Overwater
- Overcareful
- Overexerting
- Overjust
- Overserious
- Oviparous
- Overcluttered
- Overforceful
- Overlying
- Oversocialized
- Overcoated
- Overforward
- Overmighty
- Oversolar
- Overcautious
- Overextended
- Overladen
- Oversexed
- Ovulational
- Overburdened
- Overexcited
- Overjoyous
- Oversensitive
- Oviform
- Overactive
- Overdetermined
- Overgreedy
- Overproud
- Overtight
- Overcomplicated
- Overfreighted
- Overmuscled
- Overspecific
- Overcommitted
- Overfree
- Overmuch
- Oversparred
- Overbreathed
- Overexcitable
- Overjoyed
- Overseas
- Ovid
- Ovate
- Overconscious
- Overfruitful
- Overnight
- Overstimulated
- Ovenproof
- Overcounted
- Overful
- Overoptimistic
- Overstuffed
- Overbanked
- Over-educated
- Overinvolved
- Overrefined
- Overwhelmed
- Overachiever
- Overdelicate
- Overfussy
- Overpriced
- Over-the-counter
- Overattentive
- Overeager
- Overintense
- Overread
- Overweening
- Overachieving
- Overdependent
- Overgenerous
- Overproof
- Over-the-top
- Overbearing
- Over-elaborate
- Overionized
- Overriding
- Overwhelming
- Ovaloid
- Overconfident
- Overfriendly
- Overnew
- Overstated
- Oven-proof
- Overcritical
- Overfulfilled
- Overpessimistic
- Oversubscribed
- Overclaimed
- Overflowing
- Overloaded
- Oversized
- Overclear
- Overfocused
- Overlookable
- Overslow
- Overcharged
- Overfamiliar
- Overland
- Overshot
List of Describing Words Starting with Oy
- Oystery
- Oysterish
- Oyster
- Oysterless
- Oysterlike
List of Describing Words Starting with Ox, Ow
- Oxblood
- Oxonian
- Owing
- Ox-eyed
- Ower
- Ownerless
- Oxyntic
- Owned
- Oxalic
- Oxeyed
- Oxygenic
- Oxyacetic
- Oxytocic
- Owlish
- Own
Describing Words Beginning With O – Flashcards
Other describing word that start with:
| A | B | C | D | E |
| F | G | H | I | J |
| K | L | M | N | O |
| P | Q | R | S | T |
| U | V | W | X | Y |
| Z |
