9
ebb(verb, stop, calm, break, drop)
9
fatigue(verb, drop, take, bother, fail)
9
harm(verb, stop, break, cut, hurt)
9
incapacitate(verb, stop, break, dull, quiet)
9
sag(verb, drop, take, go, open)
9
slacken(verb, stop, calm, drop, go)
9
subvert(verb, hurt, challenge, drain, evidence)
9
weary(verb, upset, break, drop, take)
9
worsen(verb, break, drop, decline, reduce)
8
collapse(verb, break, drop, go, decline)
8
deaden(verb, dull, quiet, destroy, halt)
8
die(verb, stop, break, decline, fall)
8
disintegrate(verb, break, drop, give, decline)
8
ease(verb, calm, drop, dull, cut)
8
give way(verb, expression, idiom, phrasal verb, break)
8
ruin(verb, stop, break, cut, hurt)
8
shake(verb, upset, disturb, distress, weakness)
8
spoil(verb, stop, break, cut, decline)
8
temper(verb, calm, dull, check, decline)
7
demoralize(verb, upset, reduce, ruin, shame)
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APASmart Define. (2016). weaken thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/weaken/thesaurus/synonyms
ChicagoSmart Define. 2016. "weaken thesaurus" https://smartdefine.org/weaken/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, weaken thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/weaken/thesaurus/synonyms>.
MLASmart Define. "weaken thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/weaken/thesaurus/synonyms>