| obchodní centrumshopping mallPhrase | Phrase |
| obchodnicefemale trader; saleswomanSubstantiv | Substantiv |
| obchodníktraderSubstantiv | Substantiv |
| objednanýbooked; having an appointmentAdjektiv | Adjektiv |
| objednatorderVerb | Verb |
| objednat semake an appointmentVerb | Verb |
| objednat siorder for oneselfVerb | Verb |
| objednávatorderVerb | Verb |
| objednávkaorderSubstantiv | Substantiv |
| objektobjectSubstantiv | Substantiv |
| objemvolumeSubstantiv | Substantiv |
| objetgo around, bypassVerb | Verb |
| objevitdiscoverVerb | Verb |
| objezddetourSubstantiv | Substantiv |
| objíždětgo around, drive aroundVerb | Verb |
| objížďkadetourSubstantiv | Substantiv |
| oblačnocloudyAdverb | Adverb |
| oblastareaSubstantiv | Substantiv |
| oblečeníclothingSubstantiv | Substantiv |
| obleksuitSubstantiv | Substantiv |
| oblékánídress-upSubstantiv | Substantiv |
| oblékat seget dressedVerb | Verb |
| obléknout seget dressedVerb | Verb |
| oblíbenýfavorite; popularAdjektiv | Adjektiv |
| obličejfaceSubstantiv | Substantiv |
| obloženýgarnished; toppedAdjektiv | Adjektiv |
| oborfieldSubstantiv | Substantiv |
| obrazpicture; paintingSubstantiv | Substantiv |
| obrázekpictureSubstantiv | Substantiv |
| obrovskýhugeAdjektiv | Adjektiv |
| obsaditoccupy; take a placeVerb | Verb |
| obsahovatcontain; includeVerb | Verb |
| obsluhaservice staffSubstantiv | Substantiv |
| obuvfootwearSubstantiv | Substantiv |
| obuv bez podpatkuflat shoesWortkombination | Wortkombination |
| obuv s podpatkemheeled shoesWortkombination | Wortkombination |
| obuvníkshoemakerSubstantiv | Substantiv |
| obvazbandageSubstantiv | Substantiv |
| obviněnýaccused personSubstantiv | Substantiv |
| obvodperimeterSubstantiv | Substantiv |
| obvykleusuallyAdverb | Adverb |
| obvyklýusualAdjektiv | Adjektiv |
| obyčejněusually; by ordinary mailAdverb | Adverb |
| obyčejnýordinaryAdjektiv | Adjektiv |
| obývacíliving-roomAdjektiv | Adjektiv |
| obývací pokojliving roomWortkombination | Wortkombination |
| obývákliving roomSubstantiv | Substantiv |
| obyvatelinhabitantSubstantiv | Substantiv |
| obžalovanýdefendantSubstantiv | Substantiv |
| ocelsteelSubstantiv | Substantiv |
| očařeye doctorSubstantiv | Substantiv |
| očekávatexpectVerb | Verb |
| očieyesSubstantiv | Substantiv |
| očkovacívaccinationAdjektiv | Adjektiv |
| očkovací průkazvaccination cardWortkombination | Wortkombination |
| očkovánívaccinationSubstantiv | Substantiv |
| očníeyeAdjektiv | Adjektiv |
| oční lékařeye doctorWortkombination | Wortkombination |
| odfrom, sincePräposition | Präposition |
| odbavenícheck-in; processingSubstantiv | Substantiv |
| odbavit secheck inVerb | Verb |
| odbočitturn off; turnVerb | Verb |
| odbočkaturn-off; turningSubstantiv | Substantiv |
| odbočovatbe turning; turn repeatedlyVerb | Verb |
| odbordepartment; office sectionSubstantiv | Substantiv |
| odborněprofessionally, expertlyAdverb | Adverb |
| odbornýexpert; professional; technicalAdjektiv | Adjektiv |
| odborný lékařspecialist doctorWortkombination | Wortkombination |
| oddělenídepartment; wardSubstantiv | Substantiv |
| oddělení pobytu cizincůForeigners' Residence DepartmentWortkombination | Wortkombination |
| odejítleave; go awayVerb | Verb |
| odesílatelsenderSubstantiv | Substantiv |
| oděvgarment; clothing itemSubstantiv | Substantiv |
| odcházetleave; go awayVerb | Verb |
| odjetleave; depart by vehicleVerb | Verb |
| odjezddepartureSubstantiv | Substantiv |
| odjíždětleave; depart by vehicleVerb | Verb |
| odkazlinkSubstantiv | Substantiv |
| odkázatbequeath; leave to someoneVerb | Verb |
| odkdysince when, from whenAdverb | Adverb |
| odkládatpostpone; put offVerb | Verb |
| odkudfrom whereAdverb | Adverb |
| odletflight departureSubstantiv | Substantiv |
| odletětfly away; depart by airVerb | Verb |
| odlišnýdifferentAdjektiv | Adjektiv |
| odložit sitake off clothingVerb | Verb |
| odměnareward; remunerationSubstantiv | Substantiv |
| odmítatrefuseVerb | Verb |
| odmítnoutrefuse; rejectVerb | Verb |
| odněkudfrom somewhereAdverb | Adverb |
| odnéstcarry away; take awayVerb | Verb |
| odnikudfrom nowhere, not from anywhereAdverb | Adverb |
| odpadwasteSubstantiv | Substantiv |
| odpadkygarbageSubstantiv | Substantiv |
| odpočinout sirest; relaxVerb | Verb |
| odpočívatrest; relaxVerb | Verb |
| odpolednein the afternoon, afternoonAdverb | Adverb |
| odpoledníafternoonAdjektiv | Adjektiv |
| odpověďanswerSubstantiv | Substantiv |
| odpovědětanswerVerb | Verb |