8
reject(verb, disregard, dismiss, criticize, ignore)
8
slight(verb, drop, reject, disregard, dismiss)
8
slip(noun, verb, drop, decline, disregard)
8
slump(noun, verb, drop, decline, fall)
8
stop(verb, break, end, pass, fall)
7
betray(verb, abandon, deliver, neglect, convey)
7
come to grief(verb, expression, idiom)
7
disintegrate(verb, break, drop, give, decline)
7
droop(verb, stop, break, drop, give)
7
ebb(verb, stop, break, drop, end)
7
failure
7
go downhill(verb, expression, idiom, stop, drop)
7
repudiate(verb, action, break, drop, close)
7
worsen(verb, break, drop, decline, fall)
7
yield(verb, break, drop, close, give)
6
be unsuccessful(verb, expression, idiom, decline, fall)
6
cease(verb, stop, break, drop, go)
6
decrease(verb, drop, end, decline, fall)
6
go bad(verb, expression, idiom, stop, end)
6
misfire(verb, drop, decline, disregard, trip)
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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>