- weaken
- v1. enfeeble, debilitate, enervate, devitalize; exhaust, deplete, sap, impoverish; tire, strain, fatigue, Inf. take it out of [s.o.] unnerve, unman, emasculate, effeminize.2. impair, invalidate, incapacitate, cripple, handicap, undermine; dilute, adulterate, debase, water, water down, Inf. cut; thin, attenuate; lessen, diminish, lower, reduce, minimize.3. tire, languish, fail, fade, decline; wane, droop, faint, flag, drop; totter, shake, dodder, crumble; (all usu. of health) lose ground, take a turn for the worse, go downhill; (all usu. of psychological or emotional health) crack, let go, break down, come apart at the seams.4. relent, give in, acquiesce, yield, give way, bend, soften; accede, agree, assent, consent, concur, Inf. come round; relax, ease up, let up.
A Note on the Style of the synonym finder. 2014.