Words that Start with O
Starting with OA
- oaf
- oafish
- oafishly
- oafishness
- oafs
- oak
- oaken
- oakier
- oakiest
- oaklike
- oakmoss
- oakmosses
- oaks
- oakum
- oakums
- oaky
- oar
- oared
- oarfish
- oarfishes
- oaring
- oarless
- oarlike
- oarlock
- oarlocks
- oars
- oarsman
- oarsmanship
- oarsmanships
- oarsmen
- oarswoman
- oarswomen
- oases
- oasis
- oast
- oasthouse
- oasthouses
- oasts
- oat
- oatcake
- oatcakes
- oaten
- oater
- oaters
- oath
- oaths
- oatlike
- oatmeal
- oatmeals
- oats
- oaves
Starting with OB
- oba
- obama
- obas
- obbligatos
- obconic
- obconical
- obcordate
- obduracies
- obduracy
- obdurate
- obdurately
- obdurateness
- obe
- obeah
- obeahism
- obeahisms
- obeahs
- obedience
- obediences
- obedient
- obediently
- obeisance
- obeisances
- obeisant
- obeisantly
- obeli
- obelia
- obelias
- obeliscal
- obelise
- obelised
- obelises
- obelising
- obelisk
- obelisks
- obelize
- obelized
- obelizes
- obelizing
- obelus
- obento
- obentos
- obes
- obese
- obesely
- obeseness
- obesities
- obesity
- obey
- obeyable
- obeyed
- obeyer
- obeyers
- obeying
- obeys
- obfuscate
- obfuscated
- obfuscates
- obfuscating
- obfuscation
- obfuscations
- obfuscatory
- obi
- obiism
- obiisms
- obis
- obit
- obits
- obituaries
- obituarist
- obituarists
- obituary
- object
- objected
- objectification
- objectifications
- objectified
- objectifies
- objectify
- objectifying
- objecting
- objection
- objectionable
- objectionableness
- objectionably
- objections
- objective
- objectively
- objectiveness
- objectives
- objectivism
- objectivisms
- objectivist
- objectivistic
- objectivists
- objectivities
- objectivity
- objectless
- objectlessness
- objector
- objectors
- objects
- objurgate
- objurgated
- objurgates
- objurgating
- objurgation
- objurgations
- objurgatory
- oblanceolate
- oblast
- oblasti
- oblasts
- oblate
- oblately
- oblateness
- oblates
- oblation
- oblations
- oblatory
- obligable
- obligate
- obligated
- obligately
- obligates
- obligating
- obligation
- obligational
- obligations
- obligato
- obligator
- obligatorily
- obligators
- obligatory
- obligatos
- oblige
- obliged
- obligee
- obligees
- obliger
- obligers
- obliges
- obliging
- obligingly
- obligingness
- obligor
- obligors
- oblique
- obliqued
- obliquely
- obliqueness
- obliques
- obliquing
- obliquities
- obliquity
- obliterable
- obliterate
- obliterated
- obliterates
- obliterating
- obliteration
- obliterations
- obliterative
- obliterator
- obliterators
- oblivion
- oblivions
- oblivious
- obliviously
- obliviousness
- oblong
- oblongly
- oblongness
- oblongs
- obloquies
- obloquy
- obnoxious
- obnoxiously
- obnoxiousness
- obnubilate
- obnubilated
- obnubilates
- obnubilating
- obnubilation
- obnubilations
- oboe
- oboes
- oboist
- oboists
- obol
- obole
- oboles
- obols
- obolus
- obovate
- obovoid
- obscene
- obscenely
- obscener
- obscenest
- obscenities
- obscenity
- obscurant
- obscurantic
- obscurantism
- obscurantisms
- obscurantist
- obscurantists
- obscurants
- obscuration
- obscurations
- obscure
- obscured
- obscurely
- obscureness
- obscurer
- obscures
- obscurest
- obscuring
- obscurities
- obscurity
- obsecrate
- obsecrated
- obsecrates
- obsecrating
- obsequies
- obsequious
- obsequiously
- obsequiousness
- obsequy
- observabilities
- observability
- observable
- observables
- observably
- observance
- observances
- observant
- observantly
- observation
- observational
- observationally
- observations
- observatories
- observatory
- observe
- observed
- observer
- observers
- observes
- observing
- observingly
- obsess
- obsessed
- obsesses
- obsessing
- obsession
- obsessional
- obsessionally
- obsessions
- obsessive
- obsessively
- obsessiveness
- obsessives
- obsessor
- obsessors
- obsidian
- obsidians
- obsolesce
- obsolesced
- obsolescence
- obsolescences
- obsolescent
- obsolescently
- obsolesces
- obsolescing
- obsolete
- obsoleted
- obsoletely
- obsoleteness
- obsoletes
- obsoleting
- obstacle
- obstacles
- obstetric
- obstetrical
- obstetrically
- obstetrician
- obstetricians
- obstetrics
- obstinacies
- obstinacy
- obstinance
- obstinate
- obstinately
- obstinateness
- obstipate
- obstreperous
- obstreperously
- obstreperousness
- obstruct
- obstructed
- obstructing
- obstruction
- obstructionism
- obstructionisms
- obstructionist
- obstructionists
- obstructions
- obstructive
- obstructively
- obstructiveness
- obstructives
- obstructor
- obstructors
- obstructs
- obstruent
- obstruents
- obtain
- obtainabilities
- obtainability
- obtainable
- obtained
- obtainer
- obtainers
- obtaining
- obtainment
- obtainments
- obtains
- obtect
- obtected
- obtest
- obtested
- obtesting
- obtests
- obtrude
- obtruded
- obtruder
- obtruders
- obtrudes
- obtruding
- obtrusion
- obtrusions
- obtrusive
- obtrusively
- obtrusiveness
- obtund
- obtunded
- obtundent
- obtundents
- obtunding
Words that Start with O
This section will provide you with more information on the words that start with O.
Interesting notes about the letter O:
- The letter O is the fifteenth letter of the English alphabet; it is a vowel.
- It has a long sound \ oh \ as in open and a short sound \ uh \ as in money.
- The Phoenicians used a circular symbol ‘ayin, the eye, which became the Greek omicron, little (o), and omega for big (O).
- The Romans kept the Phoenician’s symbol for O.
The following are a couple of examples of words starting with O.
Animals that start with O
- Ocelot: nocturnal wildcat of Central America and South America having a dark-spotted buff-brown coat
- In Texas, the ocelot is considered an endangered species.
- Orca: predatory black-and-white toothed whale with large dorsal fin; common in cold seas
- There are no natural predators to the orca whales.
- Ostrich: fast-running African flightless bird with two-toed feet; largest living bird
- The ostrich is the only bird I know of that is taller than me.
Places that start with O
- Outback: the bush country of the interior of Australia
- In the outback of Australia, you can see kangaroos and koalas.
- Orphanage: a public institution for the care of orphans
- My grandmother’s parents died when she was young, so she was raised in an orphanage.
- Observatory: a building designed and equipped to observe astronomical phenomena
- The view of the stars was beautiful from the observatory.
Words that describe people
- Optimistic: expecting the best in this best of all possible worlds
- No matter how bad things get, I try to stay optimistic.
- Overachiever: a student who attains higher standards than the IQ indicated
- He was an overachiever on his schoolwork and music.
- Olympian: of or pertaining to the greater gods of ancient Greece whose abode was Mount Olympus
- The details on the statue of the Olympian god were incredible.
Words that describe an idea
- Obtuse: lacking in insight or discernment
- The manager thought his plan to save hours was wonderful, but we all thought it was quite obtuse and would never work.
- Outrageous: greatly exceeding bounds of reason or moderation
- The ideas for the menu were outrageous and unpredicatbale, but they might just work.
- Opportune: suitable or at a time that is suitable or advantageous especially for a particular purpose
- His opportune ideas was genius and saved the bird’s life just in time.
Words that describe a place/event
- Ornate: marked by elaborate rhetoric and elaborated with decorative details
- Our gym was so ornate for the prom that you’d never know we played a basketball game in it two days ago.
- Organized: methodical and efficient in arrangement or function
- The ceremony was very well-organized and ended on time.
- Organic: of or relating to foodstuff grown or raised without synthetic fertilizers or pesticides or hormones
- The organic garden is not very big but it will continue to grow as we use less pesticides on the rest of the field.