Synonyms|770Antonyms|166|Broader|5Narrower|13Related|411

92 entries under weaken topic. ×

2
become contaminated(expression, decline, lessen, degenerate)
2
break up(verb, expression, phrasal verb, beat, decline)
2
corrode(verb, decline, blow, lessen)
2
curdle(verb, decline, lessen, degenerate)
2
defile(verb, decline, lessen, degenerate)
2
degenerate(verb, beat, decline, crush)
2
depreciate(decline, lessen, degenerate, deteriorate)
2
deteriorate(verb, beat, decline, fall, crush)
2
diminish(verb, decline, fall, fail)
2
discolor(verb, decline, lessen, degenerate)
2
droop(verb, break, drop, decline, fall)
2
dry-rot(decline, lessen, degenerate, deteriorate)
2
evanish(verb, go, decline, fall, withdraw)
2
fade out(verb, expression, decline, fail, diminish)
2
get worse(expression, decline, lessen, degenerate)
2
go to the dogs(expression, idiom, decline, lessen)
2
hit rock bottom(expression, idiom, decline, lessen)
2
hit the skids(expression, idiom, decline, lessen)
2
lessen(verb, decline, fall, fail, diminish)
2
mildew(decline, lessen, degenerate, deteriorate)
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APASmart Define. (2016). perish thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perish/thesaurus/synonyms
ChicagoSmart Define. 2016. "perish thesaurus" https://smartdefine.org/perish/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, perish thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perish/thesaurus/synonyms>.
MLASmart Define. "perish thesaurus" 18 March 2016. Web. 28 September 2026. <https://smartdefine.org/perish/thesaurus/synonyms>