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See more synonyms for debilitate on Thesaurus.com
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.
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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 for debilitate

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for debilitation

debility, enfeeblement, weakness, depletion, fatigue, infirmity, enervation, exhaustion

Examples from the Web for debilitation

Historical Examples of debilitation

  • Contraries, when near and militant, will be troublesome to each other, and seek each other's destruction or debilitation.

    A Christian Directory (Part 4 of 4)

    Richard Baxter

British Dictionary definitions for debilitation


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

Word Origin for debilitate

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 debilitation


early 15c., from French débilitation (13c.), from Latin debilitationem (nominative debilitas) "a laming, crippling, weakening," noun of action from past participle stem of debilitare "to weaken" (see debilitate).

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

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Online Etymology Dictionary, © 2010 Douglas Harper