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.
- tending to weaken or enfeeble
- (tr) to make feeble; weaken
1530s, from Latin debilitatus, past participle of debilitare “to weaken,” from debilis “weak” (see debility). Related: Debilitated; debilitating.
- Causing a loss of strength or energy.