175 entries under decline topic. ×

1
injure(weaken, degenerate, deteriorate, decay)
1
invalidate(verb, reduce, fail, halt)
1
keel over(verb, expression, break, drop, give)
1
land(verb, drop, settle, ease)
1
lose(verb, reduce, fail, halt)
1
lose it(expression, weaken, degenerate, deteriorate)
1
lose quality(expression, weaken, degenerate, deteriorate)
1
lose spirit(verb, expression, fail, lower)
1
lower(verb, drop, fall, fail)
1
mar(weaken, degenerate, deteriorate, decay)
1
melt(verb, fall, fail, diminish)
1
melt away(verb, expression, quiet, fall)
1
minimize(verb, reduce, fail, halt)
1
mitigate(verb, reduce, release, fail)
1
nose-dive(verb, drop, settle, ease)
1
perish(verb, break, drop, fall)
1
pervert(weaken, degenerate, deteriorate, decay)
1
pitch(verb, drop, settle, ease)
1
plummet(verb, drop, settle, ease)
1
plunge(verb, drop, settle, ease)
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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>