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comatose

[kom-uh-tohs, koh-muh-]
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adjective
  1. affected with or characterized by coma.
  2. lacking alertness or energy; torpid: comatose from lack of sleep.
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Origin of comatose

1745–55; < Greek komat- (stem of kôma coma1) + -ose1
Related formscom·a·tose·ly, adverbcom·a·tose·ness, com·a·tos·i·ty [kom-uh-tos-i-tee] /ˌkɒm əˈtɒs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for comatose

comatose

adjective
  1. in a state of coma
  2. torpid; lethargic
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Derived Formscomatosely, adverb
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

Word Origin and History for comatose

adj.

1755, from Latinized form of Greek komat-, comb. form of koma (genitive komatos; see coma) + -ose (1). Perhaps immediately from French comateux. Transferred sense of "lethargic" is from 1828.

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Online Etymology Dictionary, © 2010 Douglas Harper

comatose in Medicine

comatose

(kōmə-tōs′, kŏmə-)
adj.
  1. Of, relating to, or affected with coma.
  2. Marked by lethargy; torpid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.