sleeplessness en · NOUN
Pronunciation
- (US) audio
Etymology
Etymology tree English sleepless Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English sleeplessness From sleepless + -ness.
Meanings
- (uncountable, usually) Lack of sleep; the property of being sleepless; the inability to sleep, insomnia.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| sleeplessnesses | Number=Plur | lexicographic |
Antonyms
somnolence · sleepiness · sleep
Relateds
insomnia · sleep disorder · broken sleep