Synonyms|883Antonyms|225|Broader|8Narrower|11Related|303

96 entries under decline topic. ×

2
rot(harm, spoil, weaken, injure)
2
sink(verb, break, ruin, destroy)
2
subside(verb, fail, fade, deteriorate)
2
thin(verb, reduce, fail, halt)
2
wear away(verb, expression, phrasal verb, break)
2
wilt(verb, fail, blow, lower)
1
alloy(weaken, degenerate, deteriorate, degrade)
1
be worse for wear(weaken, degenerate, deteriorate, degrade)
1
become worse(expression, weaken, degenerate, degrade)
1
break up(verb, expression, phrasal verb, turn)
1
cut(verb, hurt, reduce, destroy)
1
decompose(weaken, degenerate, degrade, decay)
1
degenerate(weaken, deteriorate, decay, worsen)
1
depreciate(verb, reduce, diminish, weaken)
1
descend(verb, fail, lower, weaken)
1
disimprove(weaken, degenerate, deteriorate, degrade)
1
disintegrate(harm, spoil, weaken, injure)
1
dwindle(verb, reduce, fail, halt)
1
ease up(verb, expression, reduce, fail)
1
fail(verb, halt, lower, weaken)
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ChicagoSmart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undermine thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undermine/thesaurus/synonyms>.
MLASmart Define. "undermine thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/undermine/thesaurus/synonyms>