117 entries under decline topic. ×

4
corrupt(verb, hurt, dirty, degenerate)
4
degenerate(verb, break, beat, crush)
4
mildew(verb, weaken, lessen, degenerate)
4
suppurate(verb, weaken, lessen, degenerate)
4
waste away(verb, expression, phrasal verb, separate)
3
collapse(verb, break, beat, crush)
3
curdle(verb, dull, spoil, weaken)
3
fade(verb, separate, fail, lower)
3
fail(verb, lower, weaken, lessen)
3
go to seed(verb, expression, idiom, weaken)
3
mold(verb, weaken, lessen, degenerate)
3
wear away(verb, expression, hurt, reduce)
2
be impaired(verb, weaken, lessen, degenerate)
2
become contaminated(verb, expression, weaken, lessen)
2
defile(verb, hurt, ruin, harm)
2
depreciate(verb, ruin, fail, lower)
2
descend(verb, break, fail, lower)
2
disappear(verb, separate, exhaust, drain)
2
discolor(verb, hurt, harm, spoil)
2
disimprove(verb, break, fail, lower)
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APASmart Define. (2015). decompose thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decompose/thesaurus/synonyms
ChicagoSmart Define. 2015. "decompose thesaurus" https://smartdefine.org/decompose/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, decompose thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decompose/thesaurus/synonyms>.
MLASmart Define. "decompose thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/decompose/thesaurus/synonyms>