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debilitate

[dih-bil-i-teyt]
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verb (used with object), de·bil·i·tat·ed, de·bil·i·tat·ing.
  1. to make weak or feeble; enfeeble: The siege of pneumonia debilitated her completely.

Origin of debilitate

1525–35; < Latin dēbilitātus (past participle of dēbilitāre), equivalent to dēbilit-, stem of dēbilis weak + -ātus -ate1
Related formsde·bil·i·tant, nounde·bil·i·ta·tion, nounde·bil·i·ta·tive, adjectivenon·de·bil·i·tat·ing, adjectivenon·de·bil·i·ta·tion, nounnon·de·bil·i·ta·tive, adjectiveo·ver·de·bil·i·tate, verb (used with object), o·ver·de·bil·i·tat·ed, o·ver·de·bil·i·tat·ing.un·de·bil·i·tat·ed, adjectiveun·de·bil·i·tat·ing, adjectiveun·de·bil·i·ta·tive, adjective

Synonyms

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weaken, deplete, enervate, devitalize.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for debilitating

debilitating

adjective
  1. tending to weaken or enfeeble

debilitate

verb
  1. (tr) to make feeble; weaken
Derived Formsdebilitation, noun

Word Origin

C16: from Latin dēbilitāre, from dēbilis weak
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 debilitating

debilitate

v.

1530s, from Latin debilitatus, past participle of debilitare "to weaken," from debilis "weak" (see debility). Related: Debilitated; debilitating.

Online Etymology Dictionary, © 2010 Douglas Harper

debilitating in Medicine

debilitating

(dĭ-bĭlĭ-tā′tĭng)
adj.
  1. Causing a loss of strength or energy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.