Synonyms and Antonyms of weaken
1 to diminish the physical strength of <weeks of hardship in the desert had greatly weakened them> Synonyms debilitate, devitalize, enervate, enfeeble, etiolate, prostrate, sap, soften, tire, waste Related Words cripple, disable, hamstring, incapacitate; deplete, depress, exhaust, impoverish, unman, wash out; damage, harm, hurt, impair, injure, invalid, lay up; break down, grind (down), wear down, wear out; paralyze Near Antonyms energize, invigorate, recruit, rejuvenate, vitalize; harden, season, toughen Antonyms beef (up), fortify, strengthen
2 to lose bodily strength or vigor <the bodybuilder weakened once she eased off on her workouts> Synonyms decay, droop, emaciate, fade, fail, flag, go, lag, languish, sag, sink, waste (away), wilt, wither Related Words break down, wear out; yield; degenerate, deteriorate, rot, run down Near Antonyms convalesce, rally, rebound, recover, recuperate; gain
3 to alter (something) for the worse with the addition of foreign or lower-grade substances <weakened the juice with too much water> Synonyms cut, dilute, extend, lace, sophisticate, thin, water down, adulterateRelated Words load; befoul, contaminate, corrupt, defile, dirty, envenom, foul, infect, poison, pollute, soil, spoil, sully, taint; cheapen, debase, degrade; manipulate, misrepresent, tamper (with); counterfeit, fake, falsify, fudge; doctor, spike; attenuate, moderate, qualify, temperNear Antonyms fertilize, lard; augment, reinforce (also reenforce), supplement; decontaminate, purify; clarify, clean, cleanse, distill (also distil), filter, flush, leach, pasteurize, purge, refine; better, enhance, improve; compact, concentrate, condenseAntonyms enrich, fortify, richen, strengthen
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