50 entries under decay topic. ×

14
spoil(verb, dull, decline, turn, weaken)
11
putrefy(verb, dull, decline, spoil, weaken)
11
rot(verb, stop, dull, end, decline)
9
decompose(verb, dull, decline, spoil, weaken)
9
turn(verb, decline, spoil, weaken, lessen)
7
go off(verb, expression, phrasal verb, turn, spoil)
6
corrupt(verb, ruin, feel, emotions)
6
disintegrate(verb, dull, decline, spoil, weaken)
5
deteriorate(verb, stop, end, decline, pass)
4
break down(verb, expression, phrasal verb, stop, dull)
4
curdle(verb, dull, decline, turn, spoil)
4
deprave(verb, ruin, corrupt, feel)
4
mildew(verb, decline, weaken, lessen, degenerate)
4
molder(verb, stop, dull, end, decline)
4
sour(verb, dull, turn, spoil)
3
break up(verb, expression, phrasal verb, decline, weaken)
3
crumble(verb, stop, dull, end, decline)
3
fester(verb, stain, rot, decompose)
3
sink(verb, stop, end, decline, pass)
2
corrode(verb, decline, weaken, lessen, degenerate)
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APASmart Define. (2016). go bad thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/go_bad/thesaurus/synonyms
ChicagoSmart Define. 2016. "go bad thesaurus" https://smartdefine.org/go_bad/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, go bad thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/go_bad/thesaurus/synonyms>.
MLASmart Define. "go bad thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/go_bad/thesaurus/synonyms>