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Glossary · Adjectives · O

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TermTypeDefinitionClassificationsUpdated
O.k.adjectivebeing satisfactory or in satisfactory conditioncandidateMay 18, 2026
Oafishadjectiveill-mannered and coarse and contemptible in behavior or appearancecandidateMay 18, 2026
Oakenadjectiveconsisting of or made of wood of the oak treecandidateMay 18, 2026
Oatenadjectiveof or related to or derived from oatscandidateMay 18, 2026
Obdurateadjectiveshowing unfeeling resistance to tender feelingscandidateMay 18, 2026
Obedientadjectivedutifully complying with the commands or instructions of those in authoritycandidateMay 18, 2026
Obeseadjectiveexcessively fatcandidateMay 18, 2026
Objectionableadjectivecausing disapproval or protestcandidateMay 18, 2026
Objectiveadjectiveemphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretationcandidateMay 18, 2026
Oblanceolateadjectiveof a leaf shape, having a broad rounded apex and a tapering basecandidateMay 18, 2026
Oblateadjectivehaving the equatorial diameter greater than the polar diametercandidateMay 18, 2026
Obligateadjectiverestricted to a particular condition of lifecandidateMay 18, 2026
Obligatedadjectivecaused by law or conscience to follow a certain coursecandidateMay 18, 2026
Obligationaladjectiverelating or constituting or qualified to create a legal or financial obligationcandidateMay 18, 2026
Obligatoryadjectiverequired by obligation or compulsion or conventioncandidateMay 18, 2026
Obligedadjectiveunder a moral obligation to do somethingcandidateMay 18, 2026
Obligingadjectiveshowing a cheerful willingness to do favors for otherscandidateMay 18, 2026
Obliqueadjectiveslanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angledcandidateMay 18, 2026
Oblique-Angledadjectivehaving oblique anglescandidateMay 18, 2026
Obliterableadjectiveable to be obliterated completelycandidateMay 18, 2026
Obliterateadjectivereduced to nothingnesscandidateMay 18, 2026
Obliteratedadjectivereduced to nothingnesscandidateMay 18, 2026
Obliviousadjective(followed by `to' or `of') lacking conscious awareness ofcandidateMay 18, 2026
Oblongadjectivedeviating from a square or circle or sphere by being elongated in one directioncandidateMay 18, 2026
Obnoxiousadjectivecausing disapproval or protestcandidateMay 18, 2026
Obovateadjective(of a leaf shape) egg-shaped with the narrower end at the basecandidateMay 18, 2026
Obsceneadjectivesuggestive of or tending to moral loosenesscandidateMay 18, 2026
Obscureadjectivemarked by difficulty of style or expressioncandidateMay 18, 2026
Obsequiousadjectiveattempting to win favor from influential people by flatterycandidateMay 18, 2026
Observableadjectivecapable of being seen or noticedcandidateMay 18, 2026
Observantadjective(of individuals) adhering strictly to laws and rules and customscandidateMay 18, 2026
Observationaladjectiverelying on observation or experimentcandidateMay 18, 2026
Observedadjectivediscovered or determined by scientific observationcandidateMay 18, 2026
Observingadjectivequick to noticecandidateMay 18, 2026
Obsessedadjectiveinfluenced or controlled by a powerful force such as a strong emotioncandidateMay 18, 2026
Obsessionaladjectivecharacterized by or constituting an obsessioncandidateMay 18, 2026
Obsessiveadjectivecharacterized by or constituting an obsessioncandidateMay 18, 2026
Obsessive-Compulsiveadjectivecharacterized by obsessions and compulsionscandidateMay 18, 2026
Obsolescentadjectivebecoming obsoletecandidateMay 18, 2026
Obsoleteadjectiveno longer in usecandidateMay 18, 2026
Obstetricadjectiveof or relating to or used in or practicing obstetricscandidateMay 18, 2026
Obstetricaladjectiveof or relating to or used in or practicing obstetricscandidateMay 18, 2026
Obstinateadjectivetenaciously unwilling or marked by tenacious unwillingness to yieldcandidateMay 18, 2026
Obstreperousadjectiveboisterously and noisily aggressivecandidateMay 18, 2026
Obstructedadjectiveshut off to passage or view or hindered from actioncandidateMay 18, 2026
Obstructiveadjectivepreventing movementcandidateMay 18, 2026
Obtainableadjectivecapable of being obtainedcandidateMay 18, 2026
Obtrusiveadjectiveundesirably noticeablecandidateMay 18, 2026
Obtuseadjective(of a leaf shape) rounded at the apexcandidateMay 18, 2026
Obviatingadjectivemade impossiblecandidateMay 18, 2026
Obviousadjectiveeasily perceived by the senses or grasped by the mindcandidateMay 18, 2026
Occasionaladjectiveoccurring or appearing at usually irregular intervalscandidateMay 18, 2026
Occidentaladjectivedenoting or characteristic of countries of Europe and the western hemispherecandidateMay 18, 2026
Occipitaladjectiveof or relating to the occiputcandidateMay 18, 2026
Occludedadjective(of a substance) taken into and retained in another substancecandidateMay 18, 2026
Occlusiveadjectivetending to occludecandidateMay 18, 2026
Occultadjectivehaving an import not apparent to the senses nor obvious to the intelligencecandidateMay 18, 2026
Occupationaladjectiveof or relating to the activity or business for which you are trainedcandidateMay 18, 2026
Occupiedadjectivehaving ones attention or mind or energy engagedcandidateMay 18, 2026
Occurrentadjectivepresently occurring (either causally or incidentally)candidateMay 18, 2026
Oceangoingadjectiveused on the high seascandidateMay 18, 2026
Oceanicadjectiverelating to or occurring or living in or frequenting the open oceancandidateMay 18, 2026
Ocellatedadjectivehaving ocellicandidateMay 18, 2026
Ocheradjectiveof a moderate orange-yellow colorcandidateMay 18, 2026
Ochreadjectiveof a moderate orange-yellow colorcandidateMay 18, 2026
Octagonaladjectiveof or relating to or shaped like an octagoncandidateMay 18, 2026
Octaladjectiveof or pertaining to a number system having 8 as its basecandidateMay 18, 2026
Octangularadjectiveof or relating to or shaped like an octagoncandidateMay 18, 2026
Octogenarianadjectivebeing from 80 to 89 years oldcandidateMay 18, 2026
Octosyllabicadjectivehaving or characterized by or consisting of eight syllablescandidateMay 18, 2026
Octupleadjectivehaving eight units or componentscandidateMay 18, 2026
Ocularadjectiveof or relating to or resembling the eyecandidateMay 18, 2026
Oddadjectiveof the remaining member of a pair, of socks e.g.candidateMay 18, 2026
Odd-Jobadjectivenot regular or skilledcandidateMay 18, 2026
Odd-Pinnateadjective(a leaf shape) pinnate with a single leaflet at the apexcandidateMay 18, 2026
Oddishadjectivesomewhat strangecandidateMay 18, 2026
Odds-Onadjectivehaving a better than even chance of successcandidateMay 18, 2026
Odiousadjectiveunequivocally detestablecandidateMay 18, 2026
Odoriferousadjectivehaving a natural fragrancecandidateMay 18, 2026
Odorlessadjectivehaving no odorcandidateMay 18, 2026
Odorousadjectivehaving odor or a characteristic odorcandidateMay 18, 2026
Odourlessadjectivehaving no odorcandidateMay 18, 2026
Oecumenicadjectiveconcerned with promoting unity among churches or religionscandidateMay 18, 2026
Oecumenicaladjectiveconcerned with promoting unity among churches or religionscandidateMay 18, 2026
Of AgeadjectiveMWEhaving attained a specific agecandidateMay 18, 2026
Of ImportadjectiveMWEof great significance or valuecandidateMay 18, 2026
Of Sound MindadjectiveMWEof sound mind, memory, and understandingcandidateMay 18, 2026
Of the EssenceadjectiveMWEof the greatest importancecandidateMay 18, 2026
Of Unsound MindadjectiveMWEnot of sound mind, memory, or understandingcandidateMay 18, 2026
Offadjective(of events) no longer planned or scheduledcandidateMay 18, 2026
Off Her GuardadjectiveMWEnot prepared or vigilantcandidateMay 18, 2026
Off His GuardadjectiveMWEnot prepared or vigilantcandidateMay 18, 2026
Off One's GuardadjectiveMWEnot prepared or vigilantcandidateMay 18, 2026
Off the Beaten TrackadjectiveMWEremote from populous or much-traveled regionscandidateMay 18, 2026
Off the HookadjectiveMWEfreed from danger or blame or obligationcandidateMay 18, 2026
Off Your GuardadjectiveMWEnot prepared or vigilantcandidateMay 18, 2026
Off-And-Onadjectiveintermittently stopping and startingcandidateMay 18, 2026
Off-Baseadjectivelocated outside a military basecandidateMay 18, 2026
Off-Centeradjectivesituated away from the center or axiscandidateMay 18, 2026
Off-Centeredadjectivesituated away from the center or axiscandidateMay 18, 2026