520 entries under verb topic. ×

4
confute(reduce, ruin, weaken, subdue)
4
corrode(break, decline, hurt, ruin)
4
cramp(spoil, cancel, invalidate, disable)
4
crush(force, hurt, ruin, defeat)
4
dash(break, ruin, destroy, damage)
4
defeat(force, destroy, kill, spoil)
4
deny(cancel, quash)
4
deteriorate(decline, fail, damage, harm)
4
diminish(dull, decline, reduce, fail)
4
disarm(stop, upset, hurt, ruin)
4
mitigate(decline, reduce, fail, halt)
4
neutralize(spoil, cancel, undo, impair)
4
paralyze(stop, hurt, ruin, restrain)
4
prostrate(stop, upset, drop, hurt)
4
queer(harm, hinder, spoil, weaken)
4
refute(reduce, ruin, weaken, subdue)
4
wear(blow, challenge, weaken, consume)
3
abrogate(spoil, cancel, undo, impair)
3
counterbalance(cancel, undo, impair, discredit)
3
decay(decline, ruin, fail, blow)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>