4
neglectfulness(noun, disregard, neglect, failure, thoughtlessness)
4
precipitation(drive, dash, assurance, nerve, daring)
4
shoddiness(noun, neglect, slackness)
4
unwariness(rashness, profligacy, unguardedness)
3
caprice(noun, motivelessness)
3
clumsiness(noun, neglect, rudeness, indiscretion, thoughtlessness)
3
error(noun, neglect, slip, mistake, rudeness)
3
failure(noun, disregard, neglect, slip, mistake)
3
flightiness(noun, motivelessness)
3
haphazardness(noun, neglect, inattentiveness, sloppiness)
3
impassiveness(noun, disregard, interest, lack, apathy)
3
impetuosity(noun, drive, press, rush, dash)
3
impulsiveness(noun, adjective, assurance, nerve, thoughtlessness)
3
incaution(noun, recklessness, rashness, imprudence, injudiciousness)
3
messiness(noun, slovenliness)
3
nirvana(neglect, escape, blank, negligence, vagueness)
3
oblivion(noun, blank, negligence, vagueness, inattention)
3
perfunctoriness(noun, neglect)
3
precipitancy(noun, drive, press, rush, dash)
3
shabbiness(noun, slovenliness)
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APASmart Define. (2015). carelessness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/carelessness/thesaurus/synonyms
ChicagoSmart Define. 2015. "carelessness thesaurus" https://smartdefine.org/carelessness/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, carelessness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/carelessness/thesaurus/synonyms>.
MLASmart Define. "carelessness thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/carelessness/thesaurus/synonyms>