270 entries under weaken topic. ×

1
declass(verb, reduce, ruin, subdue)
1
decompose(decline, degenerate, degrade, decay)
1
deface(verb, break, cut, hurt, ruin)
1
degenerate(decline, deteriorate, decay, worsen)
1
deject(verb, upset, disturb, depress)
1
demerit(verb, reduce, ruin, subdue)
1
demote(verb, reduce, ruin, subdue)
1
depreciate(verb, decline, reduce, diminish)
1
descend(verb, decline, fail, lower)
1
devaluate(verb, reduce, damage, diminish, harm)
1
devalue(verb, damage, harm, spoil, shame)
1
dig out(verb, expression, phrasal verb, challenge)
1
disconfirm(verb, reduce, ruin, subdue)
1
disenable(verb, stop, hurt, ruin, restrain)
1
disfigure(verb, break, cut, hurt, ruin)
1
disimprove(decline, degenerate, deteriorate, degrade)
1
disintegrate(decline, harm, spoil, injure)
1
dislimb(hurt, injure, immobilize, debilitate)
1
dismember(hurt, injure, immobilize, debilitate)
1
dissipate(verb, reduce, diminish, blow)
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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>