520 entries under verb topic. ×

9
injure(upset, break, drop, cut)
9
reduce(force, decline, ruin, defeat)
9
undercut(challenge, weaken, dent, excavate)
8
dig(turn, challenge, weaken, blunt)
8
attenuate(stop, dull, strong, hurt)
8
incapacitate(stop, break, hurt, reduce)
8
shake(upset, depress, deterioration, alarm)
8
spoil(stop, break, cut, decline)
7
break(cut, decline, hurt, reduce)
7
burrow(turn, produce, clean, discover)
7
devitalize(strong, decline, reduce, fail)
7
overthrow(upset, drop, defeat, destroy)
7
tunnel(turn, produce, clean, challenge)
7
vitiate(break, cut, decline, hurt)
6
blunt(stop, dull, hurt, ruin)
6
countermine
6
dampen(upset, dull, disturb, diminish)
6
deaden(dull, diminish, weaken, disable)
6
demolish(break, ruin, destroy, damage)
6
demoralize(upset, reduce, ruin, harm)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>