insomniac

noun

in·som·ni·ac | \ -nē-ˌak

How to pronounce insomniac (audio)

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Medical Definition of insomniac

(Entry 1 of 2)

: one affected with insomnia

insomniac

adjective

Medical Definition of insomniac (Entry 2 of 2)

: affected with insomnia an insomniac patient

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