4
bore(verb, turn, produce, clean, discover)
4
confute(verb, reduce, ruin, weaken, subdue)
4
contradict
4
corrode(verb, break, decline, hurt, ruin)
4
cramp(verb, spoil, cancel, invalidate, disable)
4
crush(verb, force, hurt, ruin, defeat)
4
dash(verb, break, ruin, destroy, damage)
4
defeat(verb, force, destroy, kill, spoil)
4
deny(verb, cancel, quash)
4
deteriorate(verb, decline, fail, damage, harm)
4
diminish(verb, dull, decline, reduce, fail)
4
disarm(verb, stop, upset, hurt, ruin)
4
mitigate(verb, decline, reduce, fail, halt)
4
neutralize(verb, spoil, cancel, undo, impair)
4
paralyze(verb, stop, hurt, ruin, restrain)
4
prostrate(verb, stop, upset, drop, hurt)
4
queer(verb, harm, hinder, spoil, weaken)
4
refute(verb, reduce, ruin, weaken, subdue)
4
wear(verb, blow, challenge, weaken, consume)
3
abrogate(verb, spoil, cancel, undo, impair)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>