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Grammar Monster

Search Definitions Beginning with O

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Cyber Definitions Beginning with O


Cyber DefinitionMeaningTypeImage
OOunce (drugs)Abbreviation
O RLYOh, Really?Abbreviation
O&OOver and OutAbbreviation
O.OWide eyedIcon
O/High fiveIcon
O/\OHigh fiveIcon
O:)Innocent, angelicIcon
O:-)Innocent, angelicIcon
O_OConfusedIcon
O7SaluteIcon
OAOver AchieverAbbreviation
OAOver ActingAbbreviation
OANOn Another NoteAbbreviation
OANTKBOn a Need to Know BasisAbbreviation
OAOOver and OutAbbreviation
OAPOld Age PensionerAbbreviation
OATOn A ThingAbbreviation
OATUSOn a Totally Unrelated SubjectAbbreviation
OAUSOn an Unrelated SubjectAbbreviation
OBOh, BrotherAbbreviation
OBBYOh, Baby!Abbreviation
OBEOrder of the British EmpireAbbreviation
OBEOvercome By EventsAbbreviation
OBGYNObstetrics and GynaecologyAbbreviation
OBOOr Best OfferAbbreviation
OBQOh, Be QuietAbbreviation
OBSObviouslyAbbreviation
OBTWOh, By the WayAbbreviation
OBVObviouslyAbbreviation
OBVIObviouslyAbbreviation
OBVSObviouslyAbbreviation
OBVYObviouslyAbbreviation
OBVZObviouslyAbbreviation
OCOf CourseAbbreviation
OCDObsessive Compulsive DisorderAbbreviation
OCHOh (Scottish dialect)Word
OCNOf Course NotAbbreviation
OCOOh, Come OnAbbreviation
OCROptical Character RecognitionAbbreviation
OCTOn Company TimeAbbreviation
ODOver Doing itAbbreviation
ODOverdoseAbbreviation
ODAATOne Day at a TimeAbbreviation
ODFOwn Damn FaultAbbreviation
ODGOh Dear GodAbbreviation
ODLOh Dear LordAbbreviation
ODTOn Dis TingAbbreviation
OEOperator ErrorAbbreviation
OEDOxford English DictionaryAbbreviation
OEMOriginal Equipment ManufacurerAbbreviation
OFAYWhite person (derogatory)Word
OFCOf CourseAbbreviation
OFGSOh, for God's Sake!Abbreviation
OFHOld Folks' HomeAbbreviation
OFOCOverwhelming Feelings of ConcernAbbreviation
OGOld GitAbbreviation
OGIMOh God, It's Monday!Abbreviation
OGKOnly God KnowsAbbreviation
OHOther HalfAbbreviation
OHACOwn House and CarAbbreviation
OHAIOh, HiWord
OHIMOh Hell, It's Monday!Abbreviation
OHKOh, Okay!Abbreviation
OHKOOne Hit Knock OutAbbreviation
OHNOh Hell, No!Abbreviation
OHTOne Handed TypingAbbreviation
OHWOne Hit WonderAbbreviation
OIHey!Word
OICOh, I See!Abbreviation
OIKUnpleasant person or yobWord
OJOnly JokingAbbreviation
OJTOn Job TrainingAbbreviation
OKOnly KiddingAbbreviation
OKCOklahoma CityAbbreviation
OKEY DOKEYOkayWord
OKIOkayAbbreviation
OKIESOkayWord
OKW/EOkay, Whatever!Abbreviation
OLOnlineAbbreviation
OLEDOrganic Light-Emitting DiodeAbbreviation
OLLGOne Less Lonely GirlAbbreviation
OLTLOne Life to LiveAbbreviation
OMOld ManAbbreviation
OM NOMEating noisesWord
OMAOh My Allah!Abbreviation
OMBOn My BreakAbbreviation
OMDOh My Days!Abbreviation
OMDBOver My Dead Body!Abbreviation
OMDSOh My Days!Abbreviation
OMDZOh My Days!Abbreviation
OMGOh My God!Abbreviation
OMGAOh My Giddy Aunt!Abbreviation
OMGDOh My God Dude!Abbreviation
OMGNAOh My Gosh, Not Again!Abbreviation
OMGSHOh My Gosh!Abbreviation
OMGZOh My God!Abbreviation
OMJCOh My Jesus Christ!Abbreviation
OMLOh My LordAbbreviation
OMSOh My ScienceAbbreviation
OMSJOh My Sweet Jesus!Abbreviation
OMTOne More ThingAbbreviation
OMWOn My WayAbbreviation
OMWHOn My Way HomeAbbreviation
OMZOh My ZeusAbbreviation
ONIntoxicated (drink, drugs)Abbreviation
ON ONEIntoxicated (drink, drugs)Word
ONCOOr Nearest Cash OfferAbbreviation
ONE OFFHappened on a single occasion onlyWord
ONIONOunce (drugs)Word
ONLOnlineAbbreviation
ONMOh, Never MindAbbreviation
ONNAOh No, Not AgainAbbreviation
ONNTAOh No, Not This AgainAbbreviation
ONOOr Near OfferAbbreviation
ONOZOh No!Abbreviation
ONSOne Night StandAbbreviation
ONTDOh No They Didn't!Abbreviation
ONUDOh No You Didn't!Abbreviation
ONYDOh No You Didn't!Abbreviation
OOSuprisedIcon
O-OShockIcon
OOAKOne of a KindAbbreviation
OOBEOut of Body ExperienceAbbreviation
OOCOut of CharacterAbbreviation
OOCOut of ContextAbbreviation
OOCOut of ControlAbbreviation
OOFOut of OfficeAbbreviation
OOHOut of HereAbbreviation
OOIOut of InterestAbbreviation
OOMFOne of My FriendsAbbreviation
OOMLOut of My LeagueAbbreviation
OOMMOut of My MindAbbreviation
OOOOut of OfficeAbbreviation
OOPOut of PlaceAbbreviation
OOSOut of StyleAbbreviation
OOSOOMOut of Sight, Out of MindAbbreviation
OOTOut of TownAbbreviation
OOTBOut of the BoxAbbreviation
OOTCObligatory On-Topic CommentAbbreviation
OOTDOffer of the DayAbbreviation
OOTOOut of the OfficeAbbreviation
OOTWOut of This WorldAbbreviation
OOYLOut of Your LeagueAbbreviation
OOYMOut of Your MindAbbreviation
OPOriginal PosterAbbreviation
OPBOther People's BusinessAbbreviation
OPKOther People's KidsAbbreviation
OPMOther People's MoneyAbbreviation
OPPOMale friendWord
OPSOperations (military)Abbreviation
OPSECOperations SecurityAbbreviation
OROpen RelationshipAbbreviation
ORITEOh, right!Abbreviation
ORLYOh, Really!Abbreviation
ORNOh, Really Now!Abbreviation
ORZFrustration, despairAbbreviation
OSOperating SystemAbbreviation
OSFAOne Size Fits AllAbbreviation
OSLTOr Something Like ThatAbbreviation
OSMAwesome!Abbreviation
OSOOther Significant OtherAbbreviation
OSSOpen Source SoftwareAbbreviation
OSTOriginal Sound TrackAbbreviation
OTOff TopicAbbreviation
OT3One True ThreesomeAbbreviation
OTAOff the AirAbbreviation
OTAOver the AirAbbreviation
OTBOff the boatAbbreviation
OTCOver the CounterAbbreviation
OTDOn The DotAbbreviation
OTDOut the DoorAbbreviation
OTEOver the EdgeAbbreviation
OTFOff Topic ForumAbbreviation
OTFLOn the Floor LaughingAbbreviation
OTGOn the GoAbbreviation
OTHOff The Hook, On The HookAbbreviation
OTKOver the KneeAbbreviation
OTLOut to LunchAbbreviation
OTLTAOne Thing Led to AnotherAbbreviation
OTMOf the MomentAbbreviation
OTMOne-Track MindAbbreviation
OTNOn That NoteAbbreviation
OTOOne Time OnlyAbbreviation
OTOHOn the Other HandAbbreviation
OTOOHOn the Other Other HandAbbreviation
OTPOne True PairingAbbreviation
OTROn the RunAbbreviation
OTSOn the SideAbbreviation
OTTOver the TopAbbreviation
OTTHOn the Third HandAbbreviation
OTTOMHOff the Top of My HeadAbbreviation
OTWOn the WayAbbreviation
OTWOn the WholeAbbreviation
OTYOver to YouAbbreviation
OUOpen University (UK)Abbreviation
OUATOnce Upon a TimeAbbreviation
OUGHTAOught toWord
OUOOfficial Use OnlyAbbreviation
OUTTAOut of Word
OVNOOr Very Near OfferAbbreviation
OVOObviouslyAbbreviation
OWOh Well!Abbreviation
OWOther WomanAbbreviation
OWNMOh Well, Never MindAbbreviation
OWOAOne Way Or AnotherAbbreviation
OWSOccupy Wall Street (protest movement)Abbreviation
OWTAnythingWord
OWTTEOr Words to That EffectAbbreviation
OXSharp bladeAbbreviation
OYOh YeahAbbreviation
OYBOn Your BikeAbbreviation
OYGOh Your GodAbbreviation
OYOOn Your OwnAbbreviation
OZOunceAbbreviation


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