Synonyms|178Antonyms|3|Broader|1Narrower|0Related|20
2
loser(noun, failure)
2
loss(noun, failure)
2
misconduct(crime, default, wrongdoing)
2
misdeed(crime, default, wrongdoing, misconduct)
2
misdemeanor(crime, default, wrongdoing, misconduct)
2
nonobservance(crime, default, wrongdoing, misconduct)
2
nonperformance(noun, failure)
2
offense(crime, wrongdoing)
2
weakness(crime, default, wrongdoing, misconduct)
2
wrongdoing(crime, default, misconduct)
1
bad policy
1
bankruptcy(noun, failure)
1
bomb(noun, informal, failure)
1
breach
1
collapse(noun, failure)
1
crime against humanity(expression, idiom)
1
culpa
1
culpable negligence
1
deadly sin
1
decay(noun, failure)
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ChicagoSmart Define. 2016. "nonfeasance thesaurus" https://smartdefine.org/nonfeasance/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, nonfeasance thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nonfeasance/thesaurus/synonyms>.
MLASmart Define. "nonfeasance thesaurus" 2 March 2016. Web. 25 September 2026. <https://smartdefine.org/nonfeasance/thesaurus/synonyms>