28
diminish(verb, stop, calm, drop, dull)
24
debilitate(noun, verb, stop, upset, drop)
24
enervate(verb, stop, upset, break, drop)
22
decline(verb, stop, break, drop, end)
21
enfeeble(noun, verb, stop, upset, break)
21
fail(verb, stop, break, drop, go)
21
impair(verb, stop, break, dull, quiet)
21
lessen(verb, calm, drop, dull, close)
21
soften(verb, calm, drop, dull, quiet)
21
undermine(verb, stop, upset, break, dull)
20
flag(noun, verb, break, drop, take)
19
reduce(verb, upset, calm, drop, dull)
19
deteriorate(verb, stop, break, drop, end)
19
fade(verb, stop, break, drop, close)
18
cripple(verb, stop, upset, break, dull)
18
exhaust(verb, stop, break, drop, take)
18
sap(verb, stop, upset, dull, strong)
17
abate(verb, stop, calm, drop, dull)
17
sink(verb, stop, drop, take, go)
16
decrease(noun, verb, drop, end, cut)
<1234510>
10 years ago|22k views|share |citing 
APASmart Define. (2016). weaken thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/weaken/thesaurus/synonyms
ChicagoSmart Define. 2016. "weaken thesaurus" https://smartdefine.org/weaken/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, weaken thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/weaken/thesaurus/synonyms>.
MLASmart Define. "weaken thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/weaken/thesaurus/synonyms>