5
wear(verb, drop, take, hurt, bother)
4
assuage(verb, calm, dull, check, reduce)
4
bate(verb, stop, drop, close, end)
4
break up(verb, expression, phrasal verb, decline, reduce)
4
check(verb, drop, dull, quiet, cut)
4
curtail(verb, drop, cut, decline, reduce)
4
debauch(verb, hurt, reduce, destroy, damage)
4
die away(verb, expression, drop, close, decline)
4
disappear(verb, stop, drop, end, decline)
4
disprove(verb, reduce, ruin, subdue, prove)
4
evaporate(verb, drop, end, cut, decline)
4
eviscerate(verb, destroy, diminish, weakness, incapacitate)
4
expire(verb, stop, break, drop, go)
4
fall off(verb, expression, phrasal verb, drop, cut)
4
give out(verb, expression, stop, break, drop)
4
hit the skids(verb, expression, idiom, drop, strong)
4
lose(verb, go, end, decline, reduce)
4
mar(verb, stop, break, cut, decline)
4
neutralize(verb, calm, resolve, subdue, undo)
4
obtund(verb, dull, diminish, dampen, moderation)
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APASmart Define. (2016). weaken thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/weaken/thesaurus/synonyms
ChicagoSmart Define. 2016. "weaken thesaurus" https://smartdefine.org/weaken/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, weaken thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/weaken/thesaurus/synonyms>.
MLASmart Define. "weaken thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/weaken/thesaurus/synonyms>