sleepless

形容词 adj.
中文释义

英文释义

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

词形变化

more sleepless comparative most sleepless superlative

词汇关系

反义词
wakeless

词源

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