673 entries under noun topic. ×

9
debacle(break, trouble, end, check)
9
defect(upset, trouble, slip, weakness)
9
deficit(decline, ruin, weakness, lack)
9
delinquency(decline, disregard, do, neglect)
9
fall(break, drop, end, check)
9
setback(break, trouble, check, ruin)
9
slip(drop, ruin, defeat, fall)
9
slump(drop, decline, fall, decrease)
8
abortion(decline, ruin, neglect, mess)
8
crash(drop, decline, ruin, blow)
8
fail
8
letdown(drop, decline, defeat, blow)
8
negligence(disregard, neglect, slip, mistake)
8
nonstarter
8
shortcoming(weakness, skill, fault, mistake)
8
trouble(health, upset, ruin, defeat)
7
bad luck(expression, idiom, trouble, ruin)
7
bummer(defeat, blow, hindrance, flop)
7
catastrophe(trouble, ruin, defeat, blow)
7
clinker
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APASmart Define. (2016). failure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/failure/thesaurus/synonyms
ChicagoSmart Define. 2016. "failure thesaurus" https://smartdefine.org/failure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, failure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/failure/thesaurus/synonyms>.
MLASmart Define. "failure thesaurus" 25 January 2016. Web. 27 September 2026. <https://smartdefine.org/failure/thesaurus/synonyms>