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单词 insomnia
释义

insomnia

[ in-som-nee-uh ]
/ ɪnˈsɒm ni ə /
SEE SYNONYMS FOR insomnia ON THESAURUS.COM

noun

inability to obtain sufficient sleep, especially when chronic; difficulty in falling or staying asleep; sleeplessness.

Origin of insomnia

1685–95; <Latin, equivalent to insomn(is) sleepless (in-in-3 + somn(us) sleep + -is adj. suffix) + -ia-ia

OTHER WORDS FROM insomnia

in·som·ni·ous, adjective

Words nearby insomnia

in someone's face, in someone's good graces, in someone's hair, in someone's shoes, in someone's stead, insomnia, insomniac, insomnolence, insomuch, insomuch as, insorption
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for insomnia

British Dictionary definitions for insomnia

insomnia
/ (ɪnˈsɒmnɪə) /

noun

chronic inability to fall asleep or to enjoy uninterrupted sleepRelated adjective: agrypnotic

Derived forms of insomnia

insomnious, adjective

Word Origin for insomnia

C18: from Latin, from insomnis sleepless, from somnus sleep
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for insomnia

insomnia
[ (in-som-nee-uh) ]

A persistent and prolonged inability to sleep.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Medical definitions for insomnia

insomnia
[ ĭn-sŏmnē-ə ]

n.

Chronic inability to fall asleep or remain asleep for an adequate length of time.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for insomnia

insomnia
[ ĭn-sŏmnē-ə ]

Chronic inability to fall asleep or remain asleep for an adequate length of time.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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