285 entries under decline topic. ×

4
implosion(noun, ruin, defeat, neglect)
4
plump(verb, drop, release, abandon)
4
recession(noun, action, drop, decrease)
4
relapse(noun, verb, drop, reduce)
4
trip(noun, verb, drop, ruin)
3
bungle(noun, disorder, ruin, defeat)
3
decease(noun, verb, break, drop)
3
decompose(verb, break, beat, crush)
3
decrepitude(noun, disorder, disease, deterioration)
3
demise(noun, verb, break, drop, end)
3
down(noun, end, ruin, fall)
3
expire(verb, break, drop, fail)
3
failing(noun, ruin, defeat, failure)
3
fold up(verb, expression, phrasal verb, stop, break)
3
lessen(verb, drop, reduce, settle)
3
lose(verb, drop, fall, fail)
3
nonsuccess(noun, break, check, ruin)
3
pitch(verb, upset, drop, meet)
3
putrefy(verb, break, beat, crush)
3
regress(verb, drop, reduce, settle)
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APASmart Define. (2016). collapse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/collapse/thesaurus/synonyms
ChicagoSmart Define. 2016. "collapse thesaurus" https://smartdefine.org/collapse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, collapse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/collapse/thesaurus/synonyms>.
MLASmart Define. "collapse thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/collapse/thesaurus/synonyms>