| slíbitto promiseVerb | Verb |
| slibovatto promiseVerb | Verb |
| slonelephantSubstantiv | Substantiv |
| sloupcolumn, poleSubstantiv | Substantiv |
| SlovákslovákSlovak manSubstantiv | Substantiv |
| slovanskýSlavic, SlavonicAdjektiv | Adjektiv |
| SlovenkaslovenkaSlovak womanSubstantiv | Substantiv |
| SlovenskoslovenskoSlovakiaSubstantiv | Substantiv |
| slovenskyin SlovakAdverb | Adverb |
| slovenštinaSlovak languageSubstantiv | Substantiv |
| slovesoverbSubstantiv | Substantiv |
| slovíčkolittle wordSubstantiv | Substantiv |
| slovníword-relatedAdjektiv | Adjektiv |
| slovní bankaword bankPhrase | Phrase |
| slovníkdictionarySubstantiv | Substantiv |
| slovowordSubstantiv | Substantiv |
| složenkapayment slipSubstantiv | Substantiv |
| složitto composeVerb | Verb |
| sluchhearingSubstantiv | Substantiv |
| sluchátkoearpiece, handsetSubstantiv | Substantiv |
| sluncesunSubstantiv | Substantiv |
| slunečnísolar; sun-relatedAdjektiv | Adjektiv |
| slunečnosunnyAdverb | Adverb |
| slušetto suit, to look good onVerb | Verb |
| službaserviceSubstantiv | Substantiv |
| službyservicesSubstantiv | Substantiv |
| služební cestabusiness tripPhrase | Phrase |
| slyšetto hearVerb | Verb |
| slyšet oto hear aboutGrammatikmuster | Grammatikmuster |
| smartphonesmartphoneSubstantiv | Substantiv |
| smát selaughVerb | Verb |
| smazatto delete, to eraseVerb | Verb |
| smaženýfriedAdjektiv | Adjektiv |
| smažený sýrfried cheeseWortkombination | Wortkombination |
| smažitto fryVerb | Verb |
| směnashiftSubstantiv | Substantiv |
| směnárnaexchange officeSubstantiv | Substantiv |
| směrdirectionSubstantiv | Substantiv |
| smětto be allowed to, mayVerb | Verb |
| smetanacreamSubstantiv | Substantiv |
| smíchatto mixVerb | Verb |
| smlouvacontractSubstantiv | Substantiv |
| smlouva na dobu neurčitoupermanent contractWortkombination | Wortkombination |
| smlouva na dobu určitoufixed-term contractWortkombination | Wortkombination |
| smrdětto stink, to smell badVerb | Verb |
| smrtdeathSubstantiv | Substantiv |
| smůlabad luckSubstantiv | Substantiv |
| smutněsadlyAdverb | Adverb |
| smutnýsadAdjektiv | Adjektiv |
| smyslsense, meaningSubstantiv | Substantiv |
| snadperhaps, hopefullyAdverb | Adverb |
| snadnoeasilyAdverb | Adverb |
| snadnýeasyAdjektiv | Adjektiv |
| snachadaughter-in-lawSubstantiv | Substantiv |
| snášetto tolerate, to bearVerb | Verb |
| sňatekmarriageSubstantiv | Substantiv |
| snažit setryVerb | Verb |
| sněmovnaChamber of DeputiesSubstantiv | Substantiv |
| sněženísnowfallSubstantiv | Substantiv |
| sněžitto snowVerb | Verb |
| snídaněbreakfastSubstantiv | Substantiv |
| snídathave breakfastVerb | Verb |
| sníhsnowSubstantiv | Substantiv |
| snístto eat up, to finish eatingVerb | Verb |
| snítto dreamVerb | Verb |
| sníženýreducedAdjektiv | Adjektiv |
| sobeckýselfishAdjektiv | Adjektiv |
| sobotaSaturdaySubstantiv | Substantiv |
| socialismussocialismSubstantiv | Substantiv |
| socialistickýsocialistAdjektiv | Adjektiv |
| sociálnísocialAdjektiv | Adjektiv |
| sociální pojištěnísocial insuranceWortkombination | Wortkombination |
| softwaresoftwareSubstantiv | Substantiv |
| sochastatueSubstantiv | Substantiv |
| sochařsculptorSubstantiv | Substantiv |
| sochařkafemale sculptorSubstantiv | Substantiv |
| solárnísolarAdjektiv | Adjektiv |
| solární panelsolar panelWortkombination | Wortkombination |
| souborfileSubstantiv | Substantiv |
| současnostpresent timeSubstantiv | Substantiv |
| současnýpresent; currentAdjektiv | Adjektiv |
| součástpartSubstantiv | Substantiv |
| součetsumSubstantiv | Substantiv |
| soudcourtSubstantiv | Substantiv |
| soudcejudgeSubstantiv | Substantiv |
| soudkyněfemale judgeSubstantiv | Substantiv |
| soudníjudicial; court-relatedAdjektiv | Adjektiv |
| soudní tlumočnicefemale court interpreterWortkombination | Wortkombination |
| soudní tlumočníkcourt interpreterWortkombination | Wortkombination |
| souhlasitto agreeVerb | Verb |
| souhlasit sto agree withGrammatikmuster | Grammatikmuster |
| soukromíprivacySubstantiv | Substantiv |
| soukromýprivateAdjektiv | Adjektiv |
| sourozenecsiblingSubstantiv | Substantiv |
| sousedneighborSubstantiv | Substantiv |
| souseditto neighbor, to borderVerb | Verb |
| sousedkafemale neighborSubstantiv | Substantiv |
| sousedníneighboringAdjektiv | Adjektiv |
| soustrastcondolencesSubstantiv | Substantiv |
| soustředit sefocusVerb | Verb |