Definition of sleepless in English:

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sleepless

Pronunciation: /ˈslēpləs/

adjective

1Characterized by or experiencing lack of sleep: another sleepless night Lisa lay sleepless
More example sentences
  • She's still experiencing sleepless nights and cries at the drop of a hat.
  • Hours of stress, sleepless nights and the worry alone couldn't be good for anyone.
  • Once back in the office they find themselves trapped in a cycle of long hours and sleepless nights.
Synonyms
wakeful, restless, without sleep, insomniac;
(wide) awake, unsleeping, tossing and turning
1.1chiefly literary Continually active or moving: the sleepless river
More example sentences
  • The traffic of the great city went on in the deepening night upon the sleepless river.

Derivatives

sleeplessly

Pronunciation: /ˈslēpləslē/
adverb
Example sentences
  • I am properly, really, tearfully, sleeplessly frightened for my children.
  • Loud screams and soft sobs are heard as they roll sleeplessly on the mats spread on the floor of the school that has been converted into the relief camp.
  • A neighbor at that time became the one who insistently and sleeplessly watched you.

For editors and proofreaders

Syllabification: sleep·less

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