175 entries under decline topic. ×

1
alloy(weaken, degenerate, deteriorate, decay)
1
attenuate(verb, quiet, fall, fail)
1
backslide(verb, drop, settle, fall)
1
be precipitated(verb, drop, settle, ease)
1
be worse for wear(weaken, degenerate, deteriorate, decay)
1
become worse(expression, weaken, degenerate, deteriorate)
1
cascade(verb, drop, settle, ease)
1
clear(verb, fall, fail, diminish)
1
corrode(weaken, degenerate, deteriorate, decay)
1
corrupt(weaken, degenerate, deteriorate, decay)
1
crash(verb, drop, settle, ease)
1
cripple(verb, reduce, fail, halt)
1
cut(verb, reduce, fail, halt)
1
debase(verb, fail, lower, weaken)
1
decompose(weaken, degenerate, deteriorate, decay)
1
degrade(weaken, degenerate, deteriorate, decay)
1
deliquesce(verb, quiet, fall, fail)
1
deprave(weaken, degenerate, deteriorate, decay)
1
descend(verb, drop, fail, lower)
1
devitalize(verb, reduce, fail, halt)
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APASmart Define. (2015). flag thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/flag/thesaurus/synonyms
ChicagoSmart Define. 2015. "flag thesaurus" https://smartdefine.org/flag/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, flag thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/flag/thesaurus/synonyms>.
MLASmart Define. "flag thesaurus" 10 July 2015. Web. 22 September 2026. <https://smartdefine.org/flag/thesaurus/synonyms>