270 entries under weaken topic. ×

3
dent(verb, reduce, harm, spoil, challenge)
3
dilute(verb, decline, reduce, fail, halt)
3
disconcert(upset, depress, discourage, hindrance)
3
discourage(verb, upset, disturb, agitate)
3
dishearten(verb, upset, disturb, agitate)
3
eat away(verb, expression, phrasal verb, blow, challenge)
3
gnaw(verb, break, hurt, ruin, blow)
3
hamper(verb, destroy, damage, disable)
3
hamstring(verb, stop, hurt, ruin, restrain)
3
hinder(verb, information, reduce, destroy, damage)
3
hollow out(verb, expression, phrasal verb, challenge)
3
lower(verb, upset, drop, decline, reduce)
3
mar(verb, stop, break, cut, decline)
3
rattle(upset, disturb, depress, discourage)
3
unstrengthen(verb, stop, hurt, ruin, restrain)
3
upset(verb, drop, disturb, defeat, destroy)
3
wear out(verb, expression, phrasal verb, blow)
2
abate(verb, decline, reduce, fail, halt)
2
abuse(verb, break, cut, hurt, ruin)
2
adulterate(verb, decline, reduce, ruin, fail)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>