128 entries under impair topic. ×

27
weaken(verb, stop, upset, break, dull)
21
sap(noun, verb, stop, upset, dull)
19
sabotage(verb, stop, break, attack, hurt)
18
subvert(verb, break, attack, ruin, destroy)
18
ruin(verb, stop, break, cut, hurt)
14
cripple(verb, stop, upset, break, dull)
13
harm(noun, verb, stop, break, cut)
13
wreck(verb, stop, break, hurt, ruin)
11
damage(noun, verb, stop, upset, break)
11
disable(verb, stop, break, dull, force)
11
hurt(verb, stop, break, cut, information)
10
counteract(verb, cancel, undo, discredit)
9
injure(verb, upset, break, drop, cut)
9
reduce(verb, force, decline, ruin, defeat)
8
spoil(verb, stop, break, cut, decline)
7
break(verb, cut, decline, hurt, reduce)
7
overthrow(verb, upset, drop, defeat, destroy)
7
vitiate(verb, break, cut, decline, hurt)
6
demoralize(verb, upset, reduce, ruin, harm)
5
debase(verb, decline, reduce, ruin, fail)
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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>