196 entries under weaken topic. ×

4
evaporate(verb, drop, cut, separate, reduce)
4
fall away(verb, expression, phrasal verb, drop, reduce)
4
fizzle out(verb, expression, stop, break, end)
4
get worse(verb, expression, lessen, degenerate)
4
pine(verb, break, drop, fail, diminish)
4
putrefy(verb, break, collapse, split)
4
spoil(verb, break, fail, lower, collapse)
4
tail off(verb, expression, phrasal verb, drop, cut)
4
wear away(verb, expression, stop, drop, end)
3
break up(verb, expression, break, separate, fail)
3
condense(verb, reduce, diminish, decrease)
3
consume(verb, break, reduce, fail, diminish)
3
corrode(verb, reduce, fail, blow, lower)
3
disperse(verb, break, clear, separate, remove)
3
go to pieces(verb, expression, idiom, break, reduce)
3
go to the dogs(verb, expression, idiom, reduce, fail)
3
hit rock bottom(expression, idiom, lessen, degenerate)
3
impair(verb, reduce, fail, ease, diminish)
3
sicken(verb, break, develop, fail, crack)
3
skid(noun, increase, fall, lower)
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APASmart Define. (2016). decline thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/decline/thesaurus/synonyms
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>