270 entries under weaken topic. ×

2
batter(verb, stop, break, cut, hurt)
2
benumb(verb, dull, diminish, disable)
2
confound(verb, upset, reduce, ruin)
2
controvert(verb, reduce, ruin, subdue)
2
crumble(verb, decline, fail, blow, lower)
2
decline(verb, fail, blow, lower)
2
decrease(verb, decline, reduce, fail, halt)
2
degrade(verb, decline, reduce, ruin, fail)
2
delve(verb, dig, tunnel, excavate)
2
deprave(verb, decline, ruin, fail, lower)
2
destabilize(verb, challenge, overthrow, disrupt)
2
discredit(verb, reduce, diminish, lessen)
2
dispirit(verb, upset, reduce, disturb, ruin)
2
disprove(verb, reduce, ruin, subdue)
2
disqualify(verb, stop, hurt, ruin, restrain)
2
ebb(verb, decline, fail, blow, lower)
2
emasculate(verb, challenge, dent, enervate)
2
eviscerate(incapacitate, enervate, cripple, attenuate)
2
extenuate(incapacitate, enervate, cripple, attenuate)
2
fade(verb, break, decline, hurt, reduce)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>