2
unrestraint(noun, abandon, extravagance, thoughtlessness, recklessness)
2
unthinkingness(noun, recklessness, rashness, imprudence, injudiciousness)
2
unthoughtfulness(noun, thoughtlessness, unkindness, inconsideration)
2
wantonness(noun, abandon, thoughtlessness, recklessness)
2
waywardness(noun, disorderliness, disruptiveness, boisterousness)
2
wildness(noun, abandon, extravagance, thoughtlessness, recklessness)
1
Lethe(neglect, escape, blank, negligence, vagueness)
1
abstraction(noun, blank, vagueness, inattention, daydreaming)
1
accidia
1
acedia
1
alacrity(noun, drive, press, rush, dash)
1
alienation(noun, disregard, interest, lack, apathy)
1
ambivalence(noun, motivelessness)
1
amnesia(neglect, escape, blank, negligence, vagueness)
1
arbitrariness(noun, motivelessness)
1
ataraxia
1
ataraxy
1
blackout(blank, negligence, vagueness, inattention, amnesia)
1
blank(noun, slip, mistake, breach, lapse)
1
blindness(thoughtlessness, insensitivity)
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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>