222 entries under decline topic. ×

6
be unsuccessful(verb, expression, idiom, fall)
6
decrease(verb, drop, end, fall)
6
go bad(verb, expression, idiom, stop, end)
6
misfire(verb, drop, disregard, trip)
6
sicken(verb, break, strain, annoy)
6
wither(verb, stop, break, end)
6
hit the skids(verb, expression, idiom, drop, strong)
5
blunder(noun, verb, drop, disregard)
5
go down(verb, expression, phrasal verb, stop, break)
5
subside(verb, stop, break, drop, end)
5
fall off(verb, expression, phrasal verb, drop)
5
go astray(verb, expression, idiom, disregard)
4
backfire(verb, fall, have, collapse)
4
be ruined(verb, break, drop, close)
4
come to nothing(verb, expression, idiom, upset, end)
4
faint(verb, break, drop, give)
4
halt(verb, stop, end, pass)
4
lapse(verb, stop, drop, end)
4
relapse(verb, drop, fall, diminish)
4
wilt(verb, stop, break, drop, give)
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APASmart Define. (2016). fail thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fail/thesaurus/synonyms
ChicagoSmart Define. 2016. "fail thesaurus" https://smartdefine.org/fail/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fail thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fail/thesaurus/synonyms>.
MLASmart Define. "fail thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/fail/thesaurus/synonyms>