Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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insomnia

in·som·ni·a

insomnia

 
 
pronunciation:
ihn sam ni
features:
Word Combinations (noun), Word Parts
part of speech: noun
definition: difficulty in getting to sleep, esp. as a persistent problem.
She's generally tired because she suffers from insomnia.
 
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derivation: insomnious (adj.)
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