51 entries under decline topic. ×

2
dry-rot(verb, weaken, lessen, degenerate)
2
dwindle(verb, weaken, lessen, degenerate)
2
fade(verb, weaken, lessen, degenerate)
2
fail(verb, weaken, lessen, degenerate)
2
get worse(expression, weaken, lessen, degenerate)
2
go to seed(expression, idiom, weaken, lessen)
2
go to the dogs(expression, idiom, weaken, lessen)
2
hit rock bottom(expression, idiom, weaken, lessen)
2
hit the skids(expression, idiom, weaken, lessen)
2
lessen(verb, weaken, degenerate, deteriorate)
2
mildew(verb, weaken, lessen, degenerate)
2
mold(verb, weaken, lessen, degenerate)
2
molder(verb, dull, spoil, weaken)
2
mortify(verb, weaken, lessen, degenerate)
2
pejorate(verb, weaken, lessen, degenerate)
2
perish(verb, weaken, lessen, degenerate)
2
pollute(verb, weaken, lessen, degenerate)
2
putresce(verb, weaken, lessen, degenerate)
2
reach depths(expression, weaken, lessen, degenerate)
2
sap(verb, weaken, lessen, degenerate)
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APASmart Define. (2015). curdle thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/curdle/thesaurus/synonyms
ChicagoSmart Define. 2015. "curdle thesaurus" https://smartdefine.org/curdle/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, curdle thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/curdle/thesaurus/synonyms>.
MLASmart Define. "curdle thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/curdle/thesaurus/synonyms>