4
has-been(noun, person, inferior, bomb, disappointment)
4
inattention(noun, disregard, neglect, mistake, thoughtlessness)
4
incompetence(noun, weakness, skill, shortcoming, inadequacy)
4
indiscretion(noun, slip, mistake, failing, error)
4
licking(noun, break, check, ruin, defeat)
4
misfortune(noun, trouble, ruin, defeat, blow)
4
need(noun, defeat, weakness, slaughter, lack)
4
noncompletion(noun, shortcoming)
4
nonfeasance(noun, law, do, crime, default)
4
nonfulfillment(hindrance, refusal, prevention, blocking)
4
relapse(noun, drop, fall, deterioration, spell)
4
rout(noun, upset, break, check, decline)
4
sin(noun, slip, weakness, fault, mistake)
4
slackness(noun, disregard, neglect, carelessness, negligence)
4
underage(noun, weakness, lack, deficiency, imperfection)
4
vice(noun, slip, fault, mistake, failing)
4
waterloo(noun, ruin, defeat, fall, shock)
4
weak point(noun, expression, weakness, fault, shortcoming)
3
break(noun, verb, check, ruin, defeat)
3
bug(noun, weakness, fault, lack, failing)
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APASmart Define. (2016). failure thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/failure/thesaurus/synonyms
ChicagoSmart Define. 2016. "failure thesaurus" https://smartdefine.org/failure/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, failure thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/failure/thesaurus/synonyms>.
MLASmart Define. "failure thesaurus" 25 January 2016. Web. 23 September 2026. <https://smartdefine.org/failure/thesaurus/synonyms>