Synonyms|2.6kAntonyms|715|Broader|42Narrower|97Related|1.8k

196 entries under weaken topic. ×

2
fold(verb, drop, fall, fail, diminish)
2
go bad(verb, expression, idiom, stop, end)
2
go soft(verb, expression, break, fail)
2
go to seed(verb, expression, idiom, fail)
2
mildew(lessen, degenerate, deteriorate, wane)
2
mold(lessen, degenerate, deteriorate, wane)
2
molder(verb, stop, break, end, pass)
2
mortify(lessen, degenerate, deteriorate, wane)
2
pejorate(lessen, degenerate, deteriorate, wane)
2
pollute(verb, lessen, degenerate, deteriorate)
2
poop out(verb, expression, fall, fail, diminish)
2
putresce(lessen, degenerate, deteriorate, wane)
2
quiet(verb, drop, control, cut, reduce)
2
reach depths(expression, lessen, degenerate, deteriorate)
2
sap(verb, fail, blow, lessen)
2
suppurate(lessen, degenerate, deteriorate, wane)
2
thin(verb, reduce, fall, fail, ease)
2
tire(verb, fall, fail, diminish, lower)
2
undermine(verb, fail, blow, lower)
1
adulterate(verb, fail, halt, lower)
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ChicagoSmart Define. 2016. "decline thesaurus" https://smartdefine.org/decline/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, decline thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/decline/thesaurus/synonyms>.
MLASmart Define. "decline thesaurus" 2 March 2016. Web. 28 September 2026. <https://smartdefine.org/decline/thesaurus/synonyms>