Meanings
nounsleepiness (usually uncountable, plural sleepinesses)
plural sleepinesses
- uncountableusuallyThe property of being sleepy.
Synonyms & antonyms
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Germanic*slēpaz
- Proto-West Germanic*slāp
- Proto-West Germanic*slāpag
- Old English*slǣpiġ
- Middle Englishslepy
- Englishsleepy
- Englishsleepiness
Translations
Arabic نُعَاس, سِنَة
- نُعَاس (nuʕās)property of being sleepy
- سِنَة (sina)property of being sleepy
Bulgarian сънли́вост
- сънли́вост (sănlívost)property of being sleepy
Catalan son
- sonproperty of being sleepy
Chinese Mandarin 睡意
- 睡意 (shuìyì)property of being sleepy
Czech ospalost
- ospalostproperty of being sleepy
Danish søvnighed
- søvnighedproperty of being sleepy
Dutch slaperigheid
- slaperigheidproperty of being sleepy
Finnish uneliaisuus
- uneliaisuusproperty of being sleepy
French somnolence
- somnolenceproperty of being sleepy
German Schläfrigkeit
- Schläfrigkeitproperty of being sleepy
Hungarian álmosság
- álmosságproperty of being sleepy
Icelandic svefnhöfgi, syfja
- svefnhöfgiproperty of being sleepy
- syfjaproperty of being sleepy
Japanese 眠気
- 眠気 (nemuke)property of being sleepy
Korean 졸음
- 졸음 (joreum)property of being sleepy
Latin veternus
- veternusproperty of being sleepy
Latvian miegainums, miegainība
- miegainumsproperty of being sleepy
- miegainībaproperty of being sleepy
Lithuanian mieguistumas
- mieguistumasproperty of being sleepy
Norwegian Bokmål tretthet, trøtthet
- tretthetproperty of being sleepy
- trøtthetproperty of being sleepy
- søvnighetproperty of being sleepy
Persian خوابآلودی
- خوابآلودی (xâb-âludi)property of being sleepy
Polish senność, ospałość
- sennośćproperty of being sleepy
- ospałośćproperty of being sleepy
- śpiączkaproperty of being sleepy
Portuguese sonolência
- sonolênciaproperty of being sleepy
Romanian somnolență
- somnolențăproperty of being sleepy
Russian сонли́вость, спя́чка
- сонли́вость (sonlívostʹ)property of being sleepy
- спя́чка (spjáčka)property of being sleepy
- дремо́та (dremóta)property of being sleepy
Slovak ospalosť
- ospalosťproperty of being sleepy
Spanish sueño, tuto
- sueñoproperty of being sleepy
- tutoproperty of being sleepy
- somnolenciaproperty of being sleepy
- soñolenciaproperty of being sleepy
- modorraproperty of being sleepy
- soporproperty of being sleepy
- soñeraproperty of being sleepy
- soñarreraproperty of being sleepy
- duermevelaproperty of being sleepy
Swedish sömnighet
- sömnighetproperty of being sleepy
Tamil அசதி, தூக்கம்
- அசதி (acati)property of being sleepy
- தூக்கம் (tūkkam)property of being sleepy
- மயக்கம் (mayakkam)property of being sleepy
Thai ความง่วง
- ความง่วง (kwaam-ngûuang)property of being sleepy
Ukrainian сонли́вість, со́нність
- сонли́вість (sonlývistʹ)property of being sleepy
- со́нність (sónnistʹ)property of being sleepy
- сонно́та (sonnóta)property of being sleepy
- сонли́виці (sonlývyci)property of being sleepy
- оспа́лість (ospálistʹ)property of being sleepy
- сонни́ці (sonnýci)property of being sleepy
Cite this entry
APA
sleepiness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sleepiness
MLA
“sleepiness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sleepiness. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “sleepiness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sleepiness.
Source: sleepiness on Wiktionary, CC BY-SA 4.0.