sleepless

English

Etymology

From Middle English slepeles, from Old English slǣplēas; equivalent to sleep +‎ -less.

Pronunciation

  • IPA(key): /ˈsliːpləs/
  • Hyphenation: sleep‧less
  • Audio (US):(file)

Adjective

sleepless (comparative more sleepless, superlative most sleepless)

  1. Characterized by an absence of sleep: wakeful.
    I spent a sleepless night worrying about the exams.

Antonyms

Derived terms

Translations