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15-Letter Words That Start With: O

There are 239 15-letter words, 148 15-letter phrases and 0 15-letter abbr's that start with O.

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oxyphenbutazone15
41 noun, adjectiven, adj
noun

• an anti-inflammatory drug (trade name Tandearil) used to treat arthritis and bursitis

overemphasizing15
35 verbv
verb

• place special or excessive emphasis on

overhomogenized15
34 adjectiveadj
Valid word for Scrabble US
overhomogenizes15
33 verbv
Valid word for Scrabble US
overspecialized15
32 adjectiveadj
verb

• To specialize to an excessive degree.

oxytetracycline15
32 noun, adjectiven, adj
noun

• a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections

overcapitalized15
32 adjectiveadj
verb

• estimate the capital value of (a company) at an unreasonably or unlawfully high level

• overestimate the market value of

• capitalize beyond what the business or the profit-making prospects warrant

objectification15
31 nounn
noun

• the act of representing an abstraction as a physical thing

• a concrete representation of an abstract idea or principle

overdramatizing15
31 verbv
verb

• To dramatize to excess; to make overdramatic.

overglamorizing15
31 verbv
Valid word for Scrabble US
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All 15 Letter Words

Words (239)
ophthalmologistoverzealousnessoversimplifyingoverstimulatingobjectificationoverstimulationoverspecializedomnidirectionaloverdramatizingoxytetracyclineoverrepresentedoverrefinementsoverlengtheningoverindulgencesoverhomogenizesoverglamorizingoverextravagantoverexaggeratesoverevaluationsoverenthusiasmsoveremphasizingoverembellishesoverembellishedovereagernessesoverdecorationsovercontrollingoverconsumptionovercomplicatesovercomplicatedoverclassifyingoverassessmentsoverarticulatesoverarticulatedoveradjustmentsoveraccentuatesoutmanipulatingosmoregulationsorthophosphatesorthogonalizingorchestrationaloperationalistsopenmouthednessopenheartednessoligomerizationodoriferousnessoccidentalizingobtainabilitiesobstructivenessobliviousnessesoxidoreductasesovoviviparouslyoverwithholdingoversweetnessesoversubscribingoverstabilitiesoverspeculationoverspeculatingoverspecializesoversensitivityoversaturationsoverregulationsoverprotectionsoverproportionsoverprogrammingoverproductionsoverprescribingoverpopulationsoverpersuasionsoverornamentingoverorchestrateoveropinionatedovermedicationsoverinvestmentsoverintensitiesoveringenuitiesoverimaginativeoveridentifyingoverhomogenizedovergeneralizesovergeneralizedoverfertilizingoverextractionsoverexpectationoverexaggeratedoverestimationsoverentertainedoverengineeringoverencouragingoverelaborationoverelaboratingoverdocumentingoverdiversitiesoverdiscountingoverdevelopmentoverdependencesovercultivationoverconstructedoverconfidentlyoverconfidencesovercompressingovercompliancesovercompensatesovercompensatedovercommunicateovercommitmentsovercentralizesovercentralizedovercapitalizesovercapitalizedoverapplicationoveradvertisingoveraccentuatedoutspokennessesoutdoorsmanshiposteopathicallyosteomyelitisesoscillographiesorthopsychiatryorthogonalitiesorthodonticallyorientationallyorganometallicsorganomercurialorganochlorinesoptoelectronicsopprobriousnessopportunenessesopinionatednessophthalmoscopicophthalmoscopesophthalmologiesoperativenessesoperationalismsontogeneticallyomnicompetencesofficiousnessesoffhandednessesoffensivenessesoceanographicalobtrusivenessesobstructionistsobstructionismsobstinatenessesobsessivenessesobservationallyobservabilitiesobnoxiousnessesobjectivenessesoxyphenbutazoneoverutilizationoverfamiliarityoverachievementorganophosphateoligosaccharideoligonucleotideoligodendrogliaoligodendrocyteoverabstractingosteomyelitidesoxyhaemoglobinsovoviviparitiesoverweeningnessoverspecialisesoverspecialisedoverpreparationovermultitudingovermultiplyingoverhomogenisesoverhomogenisedoverhastinessesoverglamorisingovergeneralisesovergeneralisedoverforwardnessoverflourishingoverfertilisingoveremphasisingoverdramatisingovercredulitiesovercorrectionsovercentralisesovercentralisedovercapitalisesovercapitalisedostreiculturistosteoarthriticsostensibilitiesorthophosphoricorthogonalisingorthochromatismornithodelphousornithodelphianorganotherapiesorganographistsorganographicalorchesographiesoraculousnessesoptimalizationsoptimalisationsopsonificationsopisthographiesopisthognathismophthalmophobiaophthalmometersoophorectomizesoophorectomizedoophorectomisesoophorectomisedonychocryptosisonychocryptosesoneirocriticismoncogeneticistsomoplatoscopiesomnifariousnessomnibenevolenceoligomerisationoligocythaemiasoestrogenicallyoesophagoscopesodontostomatousodontorhynchousoctocentenariesochlocraticallyocclusivenessesoccidentalisingoccasionalitiesobstructionallyoverutilisationoverbearingnessover-embellishedorycteropodidaeornithorhynchusoppositionalityopisthorchiasisopisthognathousopisthobranchiaophthalmoplegiaophioglossaceaeobjectivization
Phrases (148)
oxidation numberovibos moschatusoutside marriageosmotic pressureorycteropus aferorthodox judaismorgan transplantorder volvocalesorder testudinesorder scandentiaorder sapindalesorder rhoeadalesorder rajiformesorder plecopteraorder orthopteraorder of businessorder lagomorphaorder gruiformesorder crocodyliaorder crocodiliaorder chiropteraorder alcyonariaorange marmaladeoral examinationoperational celloperating systemon a regular basisoliver goldsmitholigochaete wormold world buffalookefenokee swampoctanedioic acidocimum basilicumobject of the verbozark chinquapinoxynervonic acidoxylebius pictusoxaloacetic acidoxalis pes-capraeovulation methodoverthrust faultoverhead railwayoverdraft creditoven thermometerotto von bismarckosmunda clatoniaos tarsi fibulareorlande de lassusoriganum vulgareoriental studiesorganization manorganic disorderorganic compoundoregon crab appleordinary bicycleordinary annuityorderly sergeantorder zygnemalesorder uredinalesorder umbellalesorder therapsidaorder sphagnalesorder secotialesorder saurischiaorder santalalesorder rheiformesorder radiolariaorder psocopteraorder psilotalesorder primulalesorder piciformesorder phalangidaorder pediculatiorder parietalesorder pandanalesorder orchidalesorder opuntialesorder notostracaorder neuropteraorder monilialesorder mallophagaorder lichenalesorder insessoresorder hyracoideaorder helotialesorder graminalesorder ginkgoalesorder geranialesorder gadiformesorder eurotialesorder ephemeridaorder embiopteraorder dinocerataorder dicranalesorder dermopteraorder dermapteraorder cydippideaorder collembolaorder coleopteraorder branchiuraorder agaricalesorder actiniariaorchestral bellsorbital rotationorange free stateoral personalityoptical illusionopportunity costophrys sphegodesophrys musciferaoperating budgetone-way light timeone-thirty-secondone hundred sixtyone hundred fortyone hundred fiftyone after anotheroncidium papilioomega-6 fatty acidomega-3 fatty acidoliver heavisideoliver ellswortholive-tree agaricolfersia cervinaold-age pensionerold-age insuranceold world warblerold world vultureold church slavicokinawa campaignokapia johnstoniojibway languageoil of turpentineoil conservationohmic resistanceogalala languageoffice of the deadoffice furnitureoenanthe crocataodontoid processodd-toed ungulateoculomotor nerveocellated turkeyoccipital cortexobstetrical toadobservation postobservation domeoblique triangle
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