10
disappear(verb, stop, end, decline, pass)
10
go bankrupt(verb, expression, idiom, action, break)
10
languish(verb, break, drop, dull, give)
10
peter out(verb, expression, stop, go, end)
9
abandon(verb, end, disregard, dismiss, ignore)
9
default(verb, action, break, drop, close)
9
degenerate(verb, stop, drop, end, strong)
9
drop(verb, stop, break, close, give)
9
dwindle(verb, stop, break, drop, end)
9
overlook(verb, drop, reject, disregard, dismiss)
9
run out(verb, expression, phrasal verb, stop, end)
9
fall flat(verb, expression, idiom, upset, decline)
8
desert(verb, disregard, dismiss, abandon, ignore)
8
bust(verb, phrasal verb, break, drop, close)
8
conk out(verb, expression, phrasal verb, stop, break)
8
crash(verb, stop, action, break, drop)
8
crumble(verb, stop, break, go, end)
8
go(verb, break, drop, give, end)
8
go under(verb, expression, phrasal verb, break, drop)
8
lessen(verb, drop, end, decline, fall)
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APASmart Define. (2016). fail thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fail/thesaurus/synonyms
ChicagoSmart Define. 2016. "fail thesaurus" https://smartdefine.org/fail/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, fail thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fail/thesaurus/synonyms>.
MLASmart Define. "fail thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/fail/thesaurus/synonyms>