11
incautiously(adverb, hastily, impulsively, rashly)
11
thoughtlessly(adverb, quickly, easily, hastily, simply)
10
recklessly(adjective, adverb, confused, severely, haphazard)
7
heedlessly(adverb, quickly, easily, hastily, simply)
7
nonchalantly(adverb, recklessly, thoughtlessly, informally, irresponsibly)
7
hastily(adjective, adverb, confused, haphazard, speedily)
7
inadvertently(adverb, short, sudden, suddenly, unexpectedly)
7
inconsiderately(adverb, unkindly, recklessly, thoughtlessly, stupidly)
7
unconcernedly(adverb, thoughtlessly, nonchalantly, irresponsibly)
6
negligently(adverb, badly, poorly, recklessly, faultily)
6
inattentively(adverb, recklessly, neglectfully)
6
casually(adverb, easily, simply, apparently, gently)
6
forgetfully(adverb, neglectfully)
6
haphazardly(adverb, badly, poorly, faultily, deficiently)
6
clumsily(adverb, badly, poorly, painfully, laboriously)
6
half ass
6
impetuously(adverb, rashly)
6
impulsively(adverb, quickly, hastily, promptly, speedily)
6
rashly(adverb, confused, haphazard, quickly, promptly)
6
sloppily(adverb, badly, poorly, neglectfully, inaccurately)
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APASmart Define. (2015). carelessly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/carelessly/thesaurus/synonyms
ChicagoSmart Define. 2015. "carelessly thesaurus" https://smartdefine.org/carelessly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, carelessly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/carelessly/thesaurus/synonyms>.
MLASmart Define. "carelessly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/carelessly/thesaurus/synonyms>