Sleepless
/ˈsliːpləs/ adj
adj ·Moderate ·High school level
Definitions
Adjective
- 1 Characterized by an absence of sleep: wakeful.
"I spent a sleepless night worrying about the exams."
Adjective
- 1 always watchful wordnet
- 2 experiencing or accompanied by sleeplessness wordnet
Antonyms
All antonymsExample
More examples"The affair cost me many sleepless nights."
Etymology
From Middle English slepeles, from Old English slǣplēas; equivalent to sleep + -less.