[ dih-bil-i-teyt ]
/ dɪˈbɪl ɪˌteɪt /

verb (used with object), de·bil·i·tat·ed, de·bil·i·tat·ing.

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 forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for debilitating

British Dictionary definitions for debilitating (1 of 2)


/ (dɪˈbɪlɪˌteɪtɪŋ) /


tending to weaken or enfeeble

British Dictionary definitions for debilitating (2 of 2)


/ (dɪˈbɪlɪˌteɪt) /


(tr) to make feeble; weaken
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 debilitating



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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for debilitating


[ dĭ-bĭlĭ-tā′tĭng ]


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.