12
drain(verb, upset, drop, take, dull)
12
water(verb, strong, reduce, diminish, decrease)
11
attenuate(verb, stop, dull, cut, strong)
11
damage(noun, verb, stop, break, cut)
11
depress(verb, upset, dull, quiet, cut)
11
peter out(verb, expression, stop, drop, take)
11
vitiate(verb, break, cut, decline, hurt)
11
wear out(verb, expression, phrasal verb, break, drop)
10
dampen(verb, upset, dull, quiet, reduce)
10
debase(verb, upset, dull, quiet, cut)
10
degrade(verb, upset, dull, cut, decline)
10
dull(verb, upset, quiet, check, reduce)
10
lower(verb, upset, calm, drop, dull)
10
relax(verb, calm, go, decline, open)
10
sabotage(verb, stop, hurt, ruin, destroy)
10
subdue(verb, break, dull, check, reduce)
10
unnerve(verb, upset, dull, quiet, strong)
9
blunt(verb, stop, dull, quiet, check)
9
crumble(verb, stop, break, drop, go)
9
damp(verb, upset, dull, quiet, reduce)
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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>