3
folding(noun, ruin, flop, downfall)
3
genocide(noun, murder, massacre, killing, race murder)
3
heedlessness(noun, disregard, neglect, carelessness, negligence)
3
human error(expression, idiom)
3
inaction
3
indifference(noun, disregard, negligence, inattention, abandonment)
3
inefficacy(noun, defeat, blow, weakness, skill)
3
infirmity(noun, weakness, fault, shortcoming, hopelessness)
3
infraction(noun, dereliction, dereliction of duty)
3
inobservance
3
insolvent(noun, person, bomb, disappointment, catastrophe)
3
mischance(ruin, defeat, blow, cross, lapse)
3
misdeed(slip, fault, mistake, lapse, error)
3
misery(noun, trouble, hurt, ruin, blow)
3
misfire
3
misstep(noun, move, decline, ruin, slip)
3
muddle
3
naught
3
neglectfulness(noun, disregard, neglect, carelessness, negligence)
3
nonachievement
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APASmart Define. (2016). failure thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/failure/thesaurus/synonyms
ChicagoSmart Define. 2016. "failure thesaurus" https://smartdefine.org/failure/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, failure thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/failure/thesaurus/synonyms>.
MLASmart Define. "failure thesaurus" 25 January 2016. Web. 21 September 2026. <https://smartdefine.org/failure/thesaurus/synonyms>