7
failed
4
dwindled
4
died(adjective, end, die, go away)
2
diminish
2
decreased
2
bombed
2
collapsed
1
deteriorated
1
declined
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APASmart Define. (2013). prospered thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/prospered/thesaurus/antonyms
ChicagoSmart Define. 2013. "prospered thesaurus" https://smartdefine.org/prospered/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2013, prospered thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/prospered/thesaurus/antonyms>.
MLASmart Define. "prospered thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/prospered/thesaurus/antonyms>