6
rout(noun, break, check, decline, ruin)
6
slip(noun, verb, drop, meet, decline)
6
trouncing(noun, break, check, ruin, defeat)
6
washout(noun, verb, drop, meet, decline)
5
apoplexy(noun, disease, seizure, impotence)
5
blow(noun, upset, break, check, ruin)
5
cataclysm(noun, trouble, ruin, failure, woe)
5
catastrophe(noun, trouble, ruin, slip, failure)
5
cave(verb, break, drop, go, open)
5
cave-in(noun, drop, ruin, fall, damage)
5
clutter(noun, disorder, confusion, mess, muddle)
5
confusion(noun, upset, disorder, distress, surrender)
5
conquest(noun, break, check, ruin, defeat)
5
contract(verb, go, decline, open, fail)
5
crackup(noun, ruin, damage, informal, failure)
5
degenerate(verb, break, beat, decline, reduce)
5
deteriorate(verb, change, beat, decline, reduce)
5
disorderliness(noun, disorder, confusion, mess, muddle)
5
disturbance(noun, upset, disorder, disease, distress)
5
downgrade(noun, verb, drop, fall, decrease)
10 years ago|27k views|share |citing 
APASmart Define. (2016). collapse thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/collapse/thesaurus/synonyms
ChicagoSmart Define. 2016. "collapse thesaurus" https://smartdefine.org/collapse/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, collapse thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/collapse/thesaurus/synonyms>.
MLASmart Define. "collapse thesaurus" 29 February 2016. Web. 21 September 2026. <https://smartdefine.org/collapse/thesaurus/synonyms>