270 entries under weaken topic. ×

1
distress(verb, upset, break, cut, hurt)
1
downgrade(verb, reduce, ruin, subdue)
1
fail(verb, decline, halt, lower)
1
fall apart(expression, decline, degenerate, degrade)
1
flag(verb, decline, fail, lower)
1
get to(expression, upset, depress, discourage)
1
go downhill(expression, decline, degenerate, degrade)
1
go to pieces(expression, idiom, decline, degenerate)
1
go to pot(expression, idiom, decline, degenerate)
1
go to the dogs(expression, idiom, decline, degenerate)
1
hit the skids(expression, idiom, decline, degenerate)
1
hock(verb, stop, hurt, ruin, restrain)
1
hogtie(verb, stop, hurt, ruin, restrain)
1
humiliate(verb, reduce, ruin, shame)
1
immobilize(verb, stop, hurt, ruin, restrain)
1
kibosh(verb, stop, hurt, ruin, restrain)
1
knock out(verb, expression, stop, hurt, ruin)
1
knock the bottom out of(verb, expression, idiom, challenge)
1
languish(verb, decline, fail, lower)
1
lapse(decline, degenerate, deteriorate, decay)
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APASmart Define. (2015). undermine thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/undermine/thesaurus/synonyms
ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>