Synonyms of weaken in English:

weaken


See definition of weaken

verb

1‘the virus has weakened him terribly’

SYNONYMS

enfeeble, debilitate, incapacitate, sap one's strength, enervate, tire, exhaust, wear out

wither, erode, diminish, destroy

ANTONYMS

strengthen

2‘she tried to weaken the impact of what she'd just said’

SYNONYMS

reduce, decrease, diminish, lessen, moderate, temper, sap, dilute, water down, thin, blunt, mitigate, deplete

ANTONYMS

increase, boost

3‘our morale weakened’

SYNONYMS

abate, lessen, decrease, dwindle, diminish, ease up, let up, trail off, wane, ebb, subside, peter out, melt away, fizzle out, taper off, tail off, grow dim, grow faint

decline, deteriorate, degenerate, shrivel, wilt, tire, languish, falter

ANTONYMS

strengthen, intensify

4‘the move weakened her authority’

SYNONYMS

impair, undermine, compromise

invalidate, refute, rebut, negate, discredit

ANTONYMS

strengthen, bolster

5‘when she wept and begged him not to turn her out he weakened’

SYNONYMS

relent, give in, acquiesce, yield, give way, accede, succumb, come round

consent, assent, agree

soften, bend, ease up, ease off

ANTONYMS

stand firm