Adjectives beginning with O:
Adjectives That Start With O
You’ll find some obvious and some obscure adjectives that start with O. But either way, choices for adjectives starting with O are opulent. You’ll also find a definition and example for one of the adjectives starting with O.
Adjectives that start with O:
Obedient
Obscure
Occidental
Odd
Odorous
Oily
Ominous
Opulent
oak tree, of, otto, otter, ocean, october, on, onto, off, oh, orange, over, obey, o, out, oatmeal, opponent, obstacle, old, opossum, orbit, ordinary, oxygen, ostrich, ornament. All words I could think of!
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odd
obedient
obese
obliging
objectionable
obscene
observant
obsolete
obtuse
occasional
offensive
oily
omnipotent
omniscient
Orange, Optimistic, Outstanding
oafish - clumsy; uncultured
obedient - obeying or willing to obey; submissive
obese - very fat; stout; corpulent
objectionable - disagreeable; offensive
obliging - ready to do favors; helpful; courteous; accommodating
oblique - slanting
obnoxious - very unpleasant
obscene - offensive to one's feelings, or to prevailing notions of modesty or decency; lewd; disgusting; repulsive
obscure - not clear
observant - paying careful attention; keenly watchful; perceptive or alert
obsessive - consuming; being consumed
obsolete - no longer in use or practice; discarded
obtuse - slow to understand or perceive; dull or insensitive; in math, greater than 90 degrees and less than 180 degrees
obvious - clear; apparent
occasional - of irregular occurrence; happening now and then; infrequent
odd - not usual or ordinary; singular; peculiar; strange; queer; eccentric; in numbers, not even, or having a remainder of one when divided by two
odious - repulsive; revolting
offbeat - unusual
offensive - unpleasant, as to the senses; disgusting; repugnant; causing resentment, anger, etc.
oily - of, like, consisting of, or containing oil; covered with oil; greasy
older - not young; lived for a long time
old-fashioned - behind the times; not current
omnipotent - having unlimited power or authority; all-powerful
omniscient - having infinite knowledge; knowing all things
omnivorous - eating both plants and animals
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Adjectives That Start With Op-Ou
You are on your way to building an outstanding vocabulary. Now, it's time to learn adjectives that begin with op- to ou-.
opaque - not letting light pass through; not transparent or translucent; not reflecting light; not shining or lustrous; dull, dark
open-minded - unbiased; consider new ideas
operable - useable; can be used
operative - functioning; effective
opportune - happening or done at the right time; seasonable; well-timed; timely
opportunist - taking advantage of the situation for personal benefit
opposing/opposed - set against; placed opposite, in balance or contrast; contending within speech or action; resisting; withstanding
opposable - can touch other digits on hand (opposable thumb)
opposite - different in every way; exactly contrary
oppressive - unjust treatment; cruel; tyrannical
optimal - best; most favorable
optimistic - having the tendency to take the most hopeful or cheerful view of matters or to expect the best outcome
opulent - very wealthy or rich; characterized by abundance; luxuriant
oral - spoken by the mouth
orange - color between red and yellow
ordinary - not special; normal; usual
original - having to do with an origin, first, earliest; fresh, new, novel; capable of or given to inventing or creating something new
ornamental - decorative
ornate - elaborate; embellished
orthodox - conforming to the usual beliefs or established doctrines, as in religion, politics, etc.; approved or conventional
ostentatious - characterized by or given to pretentious or conspicuous show in an attempt to impress others
outlandish - bizarre; unfamiliar; weird
outrageous - having the nature of, involving, or doing great injury or wrong; exceeding all bounds of decency or reasonableness; very offensive or shocking; unrestrained
outspoken - express opinions directly; blunt
outstanding - prominent; distinguished; excellent; marked by superiority or distinction; unsettled, unpaid, uncollected
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10 Adjectives That Start With O Example Sentences
Knowing adjectives is good, but being able to use them in a sentence is even better. Explore these 10 sentences using "o" adjectives.
The old man had trouble opening the door.
The girl cherished the opaque onyx her mother gave her.
The orange cat jumped on the table.
The odd dog walked along the fence.
It was a quaint, old-fashioned house.
An oppressive leader controls every part of the government.
She had an optimistic attitude about the upcoming test.
He was just an ordinary boy that lived next door.
Her house had an ornate porch.
Our neighbor decorated with outlandish Halloween decorations.
Short Story: The Optimistic Octogenarian
Once you've read through the example sentences, take a look at the accompanying short story, which uses at least 30 outstanding adjectives that begin with "o!" The use of that many "o" adjectives in one tale may be a tad out of the ordinary, but it’s certainly original!
The old woman walked home in an odd mood considering the meeting she’d just had. She’d always been optimistic, but this kind of optimism, in the face of such a situation, bordered on outrageous or even obscene.
Adjectives that begin with the letter O are listed in this post. obedient, obese, objectionable, objective, obligatory, obliging, oblique, oblivious, obnoxious, obscene, obscure, obsessed, obsessive, obsolete, obstinate, obtuse, obvious occasional, occupational, oceanfront, oceanographic, octave odd, oddball, oddest, odious
oafish
obedient
obese
objectionable
objective
obligatory
obliging
oblique
oblivious
oblong
obnoxious
obscene
obscure
observable
observant
obsessive
obsolete
obstinate
obstructive
obtainable
obtrusive
obtuse
obvious
occasional
occupational
occupied
oceanic
odd
odd-looking
odiferous
odious
odorless
odorous
offbeat
offensive
offhanded
official
officious
oily
OK
okay
old
older
oldest
old-fashioned
ominous
omniscient
omnivorous
one
one-hour
onerous
one-sided
only
opaque
open
opened
openhanded
openhearted
opening
open-minded
operable
operatic
operational
operative
opinionated
opportune
opportunistic
opposable
opposed
opposing
opposite
oppressive
optimal
optimistic
optional
opulent
oral
orange
orangish
ordinary
organic
organizational
original
ornamental
ornate
ornery
orphaned
orthopedic
ostentatious
other
otherwise
our
outer
outermost
outgoing
outlandish
outraged
outrageous
adjectives that start with A
outside
outspoken
outstanding
outward
oval
overactive
overaggressive
overall
overambitious
over-assertive
overbearing
overcast
overcautious
overconfident
overcooked
overcritical
overcrowded
overemotional
overenthusiastic
overjoyed
overoptimistic
overpowering
overpriced
overprotective
overqualified
overrated
oversensitive
over sized
overt
overwhelmed
overwhelming
overworked
overwrought
overzealous
own
one
one-sided
only
openhearted
open-minded
opinionated
opportunistic
oppressive
optimistic
opulent
ordinary
original
ornery
orphaned
ostentatious
outgoing
outlandish
outraged
outrageous
outspoken
outstanding
overactive
overaggressive
overambitious
over-assertive
overbearing
overcautious
overconfident
overcritical
overemotional
overenthusiastic
overjoyed
overoptimistic
overpowering
overprotective
overqualified
overrated
oversensitive
overwhelmed
overwhelming
overworked
overwrought
overzealous
Positive Adjectives That Start With O
objective
obliging
obtainable
omniscient
openhanded
openhearted
open-minded
opportune
optimal
optimistic
optional
opulent
organic
original
ornamental
ornate
outgoing
outstanding
overjoyed
oak
oat
oaten
oatmeal
obdurate
obedient
obeisant
obese
objectionable
objective
oblate
obligated
obligational
obligatory
obliging
oblique
oblivious
oblong
obnoxious
obscene
obscure
obsequious
observable
observant
observational
obsessed
obsessive
obsolescent
obsolete
obstetric
obstinate
obstreperous
obtainable
obtrusive
obtuse
obvious
occasional
occidental
occipital
occlusive
occult
occupational
occupied
oceanic
ocher
octagonal
octogenarian
ocular
odd
oddball
odious
odorant
odoriferous
odorous
off
off balance
off campus
off color
off key
off-color
offbeat
offensive
offhand
official
offshore
often
oiled
oily
okay
old
old-fashioned
old-world
olden
older
oldest
oleic
olfactory
olive
Olympian
Olympic
ominous
omnipotent
omnipresent
omniscient
omnivorous
oncoming
one
one-sided
onerous
onetime
ongoing
only
onrushing
ontological
opal
opalescent
opaque
open
open-ended
open-minded
opened
operable
operatic
operating
operational
operative
ophthalmic
opinionated
opportune
opportunistic
opposing
opposite
oppositional
oppressive
opprobrious
optic
optical
optimal
optimistic
optimum
optional
opulent
oracular
oral
orange
oratorical
oratory
orbital
orchestral
orchid
orderly
ordinary
organic
organized (also spelled organised)
orgasmic
orgastic
oriental
oriented
original
ornamental
ornate
ornery
ornithological
orotund
orthodontic
orthodox
orthogonal
orthopedic
oscillating
ossified
ostensible
ostentatious
other
otiose
our
oustanding
outback
outboard
outbound
outdated
outdoor
outer
outermost
outgoing
outlandish
outlying
outrageous
outright
outside
outspoken
outstanding
outward
oval
ovarian
ovate
over
overactive
overaggressive
overall
overanxious
overbearing
overblown
overboard
overcast
overconfident
overcooked
overcrowded
overdeveloped
overdone
overdue
overexposed
overhead
overheated
overjoyed
overloaded
overnight
overpaid
overpowering
overpriced
overprotective
overqualified
overrated
overseas
oversensitive
oversize
oversized
overstimulated
overt
overweight
overwhelmed
overwhelming
overworked
overwrought
oviparous
ovoid
owlish
eatable
type in words that start with O it will give you lots of words that start with O and just put it in a list!
Some words that start with the letter O are:oceanOddOdeofoffOfficeogreoldOliveOnoneOpalOppositeorOrangeorboreganoorganismorgasmorigamiotherotteroughtOxymoronoval
Very few words start with o. Famous word aum starts with a but not o.
obvious,octogon,octopus,off,on,october lots of words that start with an "o"
Math words that start with o are operation, order, octagon,ordinary,and more to come!
Some happy words that start with O include: Overjoyed Optimistic Open-hearted
Orbit and ozone are space words. They begin with the letter o.
What are all the words that starts with o
Some words that start with the letter O are, orange, old and Organ. There is also open, olive and order.
OctopusOvalOrangeOatOccupationOliveOrphanOnionOafOakOasisOathObeyOptimisticOrbitObjectOffOnOreoOvalOrangeoxygen
Obliviate