2
pejorate(verb, decline, weaken, lessen, degenerate)
2
perish(verb, decline, weaken, lessen, degenerate)
2
petrify(verb, close, set, fix, settle)
2
pollute(verb, decline, weaken, lessen, degenerate)
2
precipitate(verb, close, set, fix, settle)
2
putresce(verb, decline, weaken, lessen, degenerate)
2
reach depths(expression, decline, weaken, lessen, degenerate)
2
reinforce(verb, close, set, fix, settle)
2
sap(verb, decline, weaken, lessen, degenerate)
2
shrivel(verb, decline, weaken, lessen, degenerate)
2
sicken(verb, decline, pain, weaken, lessen)
2
sink(verb, decline, weaken, lessen, degenerate)
2
slump(verb, decline, weaken, lessen, degenerate)
2
starch(verb, close, set, fix, settle)
2
suppurate(verb, decline, weaken, lessen, degenerate)
2
turn sour(noun, expression, idiom, change, turn)
2
wane(verb, decline, weaken, lessen, degenerate)
2
waste away(expression, decline, weaken, lessen, degenerate)
2
wear away(expression, decline, weaken, lessen, degenerate)
1
addle(verb, decay, taint, rot, decompose)
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). curdle thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/curdle/thesaurus/synonyms
ChicagoSmart Define. 2015. "curdle thesaurus" https://smartdefine.org/curdle/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, curdle thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/curdle/thesaurus/synonyms>.
MLASmart Define. "curdle thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/curdle/thesaurus/synonyms>