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insomnia

Syllabification: (in·som·ni·a)
Pronunciation: /inˈsämnēə/
Translate insomnia | into French | into German | into Italian | into Spanish
Definition of insomnia

noun

  • habitual sleeplessness; inability to sleep.

Derivatives

insomniac

Pronunciation: /-nēˌak/
noun & adjective

Origin:

early 17th century: from Latin, from insomnis 'sleepless', from in- (expressing negation) + somnus 'sleep'

insomnia in other Oxford dictionaries

Definition of insomnia in the British & World English dictionary

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