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(in-som-ni-ac) 4 syllables

Definition

noun. a person who cannot sleep well at night.

Example Sentence

The insomniac could not fall asleep.

More Example Sentences

Being an insomniac can be very hard.

Synonyms

sleepless person; night owl; wakeful person

Antonyms

sleeping

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insomniac
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Rhymes

  • insomniac
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