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insomnia - 7 dictionary results
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Language Translation for : insomnia
| Spanish: | insomnio, | German: | die Schlaflosigkeit, | Japanese: | 不眠症 |
| in·som·ni·a
(ĭn-sŏm'nē-ə) Pronunciation Key
n. Chronic inability to fall asleep or remain asleep for an adequate length of time. [Latin īnsomnia, from īnsomnis, sleepless : in-, not; see in-1 + somnus, sleep; see swep- in Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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insomnia
1623, Anglicized as insomnie, from L. insomnia "want of sleep," from in- "not" + somnus "sleep" (see somnolence). The modern form is from 1758. Insomniac (n.) is from 1908.
Online Etymology Dictionary, © 2001 Douglas Harper
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| insomnia | |
noun | |
| an inability to sleep; chronic sleeplessness [ant: hypersomnia] |
WordNet® 3.0, © 2006 by Princeton University.
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| insomnia
(ĭn-sŏm'nē-ə) Pronunciation Key
Chronic inability to fall asleep or remain asleep for an adequate length of time. |
The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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insomnia [(in-som-nee-uh)]
A persistent and prolonged inability to sleep.
[Chapter:] Medicine and Health
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Insomnia
In*som"ni*a\, n. [L., fr. insomnis sleepless; pref. in- not + somnus sleep.] Want of sleep; inability to sleep; wakefulness; sleeplessness.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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