124 entries under deteriorate topic. ×

2
flag(verb, drop, decline, fall, fail)
2
injure(verb, decline, reduce, destroy, fail)
2
languish(verb, drop, decline, fall, fail)
2
lessen(verb, drop, decline, reduce, destroy)
2
pervert(verb, decline, reduce, destroy, fail)
2
putrefy(verb, break, decline, collapse, split)
2
slip back(expression, fall, fail, weaken, degenerate)
2
slump
2
subside(verb, drop, fall, fail, diminish)
2
turn(verb, break, decline, collapse, split)
1
abate(verb, drop, fall, fail, diminish)
1
adulterate(verb, decline, fail, lower, weaken)
1
alloy(decline, weaken, degenerate, decay)
1
be overcome(fall, fail, weaken, degenerate)
1
be overtaken(fall, fail, weaken, degenerate)
1
be worse for wear(decline, weaken, degenerate, decay)
1
become less(verb, expression, drop, fall, fail)
1
become worse(expression, decline, weaken, degenerate)
1
corrode(verb, decline, reduce, fail, diminish)
1
decrease(verb, drop, reduce, destroy, fall)
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APASmart Define. (2015). worsen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/worsen/thesaurus/synonyms
ChicagoSmart Define. 2015. "worsen thesaurus" https://smartdefine.org/worsen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, worsen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/worsen/thesaurus/synonyms>.
MLASmart Define. "worsen thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/worsen/thesaurus/synonyms>