308+ Adjectives That Start With O To Describe

In the vast realm of language, adjectives are the unsung heroes that add color, depth, and nuance to our expressions. With each letter of the alphabet, a treasure trove of adjectives unfolds. Please check out the below collections of adjectives that start with o.

Today, we embark on a linguistic journey to discover adjectives that begin with the letter O, a letter that conjures images of the obscure, the ostentatious, and the outstanding. Within this exploration, we will delve into the world of O-adjectives, uncovering their unique ability to illuminate the intricacies of our thoughts and descriptions.

So, here is a list of adjectives with O to increase your vocabulary. Also, some meanings and examples are given for a better experience. Now, without further delay, let us start!

Adjectives That Start With O

Here we will provide some of a few adjectives that start with o.

  • Obtrusive
  • Orthotopic
  • Offbeat
  • Origenian
  • Ontic
  • Overinvested
  • Overfussy
  • Orogastric
  • Octacyclic
  • Overplayful
  • Opportunist
  • Overriding
  • Oversea
  • Orangy
  • Obstetrical
  • Oval
  • Orological
  • Obliged
  • Overturned
  • Opened
  • Oppressive
  • Ontologic
  • Octagonal
  • Overcoated
  • Ordinary
  • Obedient
  • Observant
  • Occupational
  • Obvious
  • Original
  • Olley

O Letter Adjectives

Let’s check out the below collections of o letter adjectives.

  • Oleophilic
  • Origenist
  • Outward
  • Obligatory
  • Odd
  • Ophiolitic
  • Old
  • Occluse
  • Older
  • Optical
  • Obeisant
  • Octopic
  • Overlooked
  • Osculating
  • Occurrent
  • Overactive
  • Octal
  • Oronasal
  • Oversuspicious
  • Outjutting
  • Overpolite
  • Ordurous
  • Omnivorous
  • Overdeveloped
  • Overnighter
  • Overreaching
  • Orthotropous
  • Opposable
  • Orderly
  • Obscure
  • Overexcited

Adjectives Starting With O

These are some of few collections of adjectives starting with o.

  • Onside
  • Obstruent
  • Outrigged
  • Opportune
  • Outer
  • Overachieving
  • Obstructive
  • Osteogenic
  • Outsized
  • Oppositive
  • Opposed
  • Oneness
  • Overloaded
  • Omissive
  • Offsides
  • Osmobiotic
  • Outcoming
  • Oceanic
  • Orgasmic
  • Opening
  • Overly
  • Oppositional
  • Omnipotent
  • Orphic
  • Optimistic
  • Onioned
  • Offensive
  • Openable
  • Oligomeric
  • Odoriferous
  • Orbitary

Describing Words That Start With O

Please check out the below collections of describing words that start with o.

  • Ovigerous
  • Onelegged
  • Oldest
  • Overstuffed
  • Out
  • Overreactive
  • Overnight
  • Outspread
  • Orient
  • Orblike
  • Onegallused
  • Overvaliant
  • Onetime
  • Oncogenic
  • Onenote
  • Occasional
  • Ornate
  • Ower
  • Orcish
  • Oily
  • Official
  • Onoff
  • Offhand
  • Oncogenomic
  • On-campus
  • Orientated
  • Ovation
  • Onestop
  • Optic
  • Overfull
  • Oldschool

Adjectives That Begin With O

In the below section, we have provided some of few collections of adjectives that begin with o.

  • Originable
  • Oncoming
  • Oriental
  • Oblivious
  • Observable
  • Oscillatory
  • Oblique
  • Oldfashioned
  • Olympian
  • Ostentatious
  • Overspeeding
  • Opposing
  • Obsolescent
  • Operant
  • Outfitted
  • Obtainable
  • Outstanding
  • Obliging
  • Outside
  • Overweight
  • Obscurant
  • Obverse
  • Oneeyed
  • Oligotrichous
  • Overfocused
  • Overwrought
  • Olden
  • Orchestral
  • Owlish
  • Oddson
  • Orientational

Positive Adjectives That Start With O

Following are the below collections of positive adjectives that start with o.

  • Offtherack
  • Openair
  • Occlusal
  • Overbold
  • Ommatidial
  • Overblown
  • Occidental
  • Obsessional
  • Overproud
  • Orthoptic
  • Overdue
  • Overrash
  • Oracular
  • Oneirocritical
  • Offending
  • Ochrous
  • Oversteered
  • Ornery
  • Overforceful
  • Ornamental
  • Opportunistic
  • Open
  • Overwhelmed
  • Outdoor
  • Oral
  • Overlapping
  • Outflowing
  • Odourless
  • Omnipresent
  • Overdominant
  • Opposite

Negative Adjectives That Start With O

Please check out the below collections of negative adjectives that start with o.

  • Overcrowded
  • Oblige
  • Object-oriented
  • Obliquid
  • Organic
  • Optional
  • Outlawed
  • Oxidized
  • Overemotional
  • Oversize
  • Offpeak
  • Onesided
  • Overcharged
  • Odourful
  • Overhyped
  • Omnificent
  • Overhead
  • Overpriced
  • Occultural
  • Opulent
  • Overcooked
  • Out-and-out
  • Overripe
  • Oniony
  • Outermost
  • Overpowering
  • Overfriendly
  • Opaque
  • Optimal
  • Optimum
  • Outmost

Complete List Of Adjectives That Start With O

Here we have collected some of few collections of complete list of adjectives that start with o.

  • Oversoft
  • Octopodal
  • Overcast
  • Orogenic
  • Onionlike
  • Otterless
  • Oligotrophic
  • Optative
  • Organized
  • Openhearted
  • Overdetermined
  • Overfamiliar
  • Overclaimed
  • Overjoyed
  • Orthomolecular
  • Oestral
  • Oppressed
  • Offline
  • Observational
  • Observing
  • Overlookable
  • Ongoing
  • Occupied
  • Operating
  • Outspoken
  • Overcounted
  • Orolingual
  • Obsessed
  • Onscreen
  • Oblong
  • Obligational

Common Adjectives That Start With O

Please examine the below collections of common adjectives that start with o.

  • Organizational
  • Odorant
  • Opinionated
  • Obsessive
  • Obstructed
  • Ordinal
  • Ontological
  • Ovulational
  • Outcaste
  • Overfriezed
  • Onerous
  • Offscreen
  • Obstetric
  • Oversocialized
  • Overbrimming
  • Overtired
  • Outlined
  • Oaken
  • Octangular
  • One-pot
  • Overgenerous
  • Optomotor
  • Outgunned
  • Oldish
  • Offside
  • Optotypic
  • Overextended
  • Openmouthed
  • Orienting
  • Online
  • Os

Character Traits That Start With O

You can use these words to describe someone’s character traits.

  • Occult
  • Oafish
  • Orkish
  • Octuple
  • Onearmed
  • Overflowing
  • Oenophilic
  • Overjubilant
  • Overracked
  • Oozy
  • Overspecific
  • Overzealous
  • Overrated
  • Original
  • Oversolar
  • Ovine
  • Overheated
  • Opacating
  • Overkeen
  • Oleanolic
  • Overt
  • Overful
  • Ossiculate
  • Orgastic
  • Overdosed
  • Ontogenetic
  • Orthognathic
  • Oystery
  • Orthostatic
  • Outboard
  • Offtheball

Definitions And Examples Of Adjective Words That Start With O

Obstinate

  • Definition: Refusing adamantly to alter one’s viewpoint or line of action.
  • Example: Sarah’s unwavering resolve enabled her to scale the highest peak.

Opulent

  • Definition: Anything exhibiting high luxury or affluence.
  • Example: The luxurious residence was trimmed in gold and hung with chandeliers.

Ominous

  • Definition: Creating the sense that something negative or unpleasant is about to occur.
  • Example: The mood was ominous due to the heavy clouds and distant thunder.

Optimistic

  • Definition: Believing that things will turn out well or having a positive attitude.
  • Example: Despite obstacles, the girl remained optimistic about the future.

Obnoxious

  • Definition: Extremely offensive or unpleasant is its definition.
  • Example: His obnoxious behavior made him unwanted among his friends.

Ornate

  • Definition: Anything elaborately decorated, often with intricate details.
  • Example: The wedding cake was ornate, adorned with delicate sugar flowers.

Outstanding

  • Definition: Exceptionally good or remarkable.
  • Example: Her outstanding performance earned her a standing ovation.

Oblique

  • Definition: Anything being neither parallel to nor at a right angle to a given or implied line
  • Example: He cast an oblique glance at the mysterious object.

Obligatory

  • Definition: Required by statute, regulation, or duty and requires a legal or moral obligation.
  • Example: Attendance at the safety training was obligatory for all employees.

Outlandish

  • Definition: Clearly out of the ordinary or odd, frequently hilariously or startlingly.
  • Example: Her outlandish fashion sense always turned heads.

Orphaned

  • Definition: Leaving a child without parents or guardians, usually due to death.
  • Example: The orphaned child found solace in the caring arms of the foster family.

Obsolete

  • Definition: Outdated or no longer used.
  • Example: The typewriter became obsolete with the advent of computers.

Oblong

  • Definition: Having an elongated or elliptical shape.
  • Example: The table had an oblong design to accommodate more guests.

Over

  • Definition: Anything done or displayed openly not covered up or hidden.
  • Example: Their overt affection for each other was evident to everyone.

Octagonal

  • Definition: Anything with eight sides or angles.
  • Example: The gazebo in the park had an octagonal shape.

Outrageous

  • Definition: Anything absurdly poor or excessive.
  • Example: The prices at the new restaurant were outrageous.

Overjoyed

  • Definition: A state of extreme happiness or delight.
  • Example: She was overjoyed to receive the scholarship she had worked so hard for.

Organic

  • Definition: Anything connected to or derived from living things; natural.
  • Example: He prefers to buy organic food for a healthier lifestyle.

Observant

  • Definition: Someone perceptive and alert.
  • Example: The observant detective spotted a clue others had missed.

Oncoming

  • Definition: The act of approaching or drawing near.
  • Example: The oncoming hurricane compelled them to seek shelter.

Offbeat

  • Definition: Unusual or unconventional in a fun or fascinating way.
  • Example: Their offbeat sense of humor always brought laughter.

Overgrown

  • Definition: Anything covered in excessive or tangled growth, usually flora or plants.
  • Example: The deserted grassland is now overgrown with weeds.

Obliging

  • Definition: Willing to assist or be of assistance.
  • Example: The obliging neighbor was kind enough to offer to water the plants while we were away.

Overwhelming

  • Definition: Strong or intense, making it difficult to control. It refers to a force too strong to handle.
  • Example: The aid from the neighborhood was overwhelming during the crisis.

Orthodox

  • Definition: Adhering to conventional or established ideas, customs, or practices is described as being “orthodox”.
  • Example: The orthodox ceremony followed centuries-old traditions.

Optimal

  • Definition: Most favorable or advantageous; best. The fastest and most effective results are guaranteed by selecting the optimal method.
  • Example: The optimal time to visit the beach is early morning.

Obdurate

  • Definition: Refusing to alter one’s views or conduct; obstinate. A person who is unyielding and continues to oppose change.
  • Example: His obdurate refusal to compromise led to a stalemate in negotiations.

Orotund

  • Definition: Full, round, and imposing in sound or voice. Listeners are captivated by the authoritative richness of an orotund voice.
  • Example: The actor’s rotund voice filled the theatre with grandeur.

Obvious

  • Definition: Something that is immediately apparent or understandable. A fact is obvious when it doesn’t need further explanation.
  • Example: The solution to the puzzle became obvious once she examined it closely.

Onerous

  • Definition: Anything involving a demanding or challenging task. When anything is labeled as “onerous” it suggests a heavy weight is placed on the individual.
  • Example: The paperwork for the project was onerous and time-consuming.

Adjectives That Start With O

Frequently Asked Questions ( FAQ )

What are some adjective words starting with O?

Ans:- A few adjectives beginning with O are ornate, obedient, and organic. Check out the list we have provided above, with the definitions and examples of each, for more examples of this type.

Where can we use adjective words that start with O?

Ans:- Adjectives that start with O can describe a wide range of nouns, such as persons (e.g., “optimistic”), locations (e.g., “oceanic”), items (e.g., “ornamental”), concepts (e.g., “objective”), and more.

State a few positive adjective words with O.

Ans:- Optimistic, observant, and open-minded are a few positive adjectives that begin with O.

State a few negative adjective words with O.

Ans:- Negative words beginning with O that express unpleasant traits or behaviors include obnoxious, offensive, oppressive, and overpowering. We hope the article assisted you in gaining knowledge. Happy learning!

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Final Words

In the upper section, we have provided some of few collections of adjectives that start with o. So please share it with friends and family members.

Have a good day. Stay happy, stay together. Cheers.