9
unthinking(adjective, sharp, rude, careless, indifferent)
9
unwary(adjective, cold, forget, uncaring, inattentive)
8
absent-minded(noun, adjective, careless, cold, forget)
8
dilatory(adjective, dull, slow, careless, sluggish)
8
indifferent(noun, adjective, calm, dull, cool)
8
lazy(adjective, slow, careless, idle, failing)
8
slipshod(adjective, soft, careless, indifferent, common)
8
unheedful(adjective, careless, cold, forget, uncaring)
8
unwatchful(adjective, careless, cold, forget, bold)
7
slapdash(adjective, careless, indifferent, sloppy, rash)
7
sloppy(adjective, soft, careless, tolerant, slack)
7
slovenly(adjective, careless, indifferent, sloppy, inattentive)
6
distrait(noun, adjective, careless, cold, forget)
6
mindless(adjective, indifferent, stupid, unconcerned, senseless)
6
unheeding(adjective, sharp, rude, careless, cold)
6
worry-free
5
incurious(adjective, calm, cool, careless, relaxed)
5
inexact(adjective, cold, forget, uncaring, inattentive)
5
inobservant(adjective, careless, cold, forget, uncaring)
5
rash(adjective, sharp, rude, careless, indifferent)
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APASmart Define. (2015). neglectful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/neglectful/thesaurus/synonyms
ChicagoSmart Define. 2015. "neglectful thesaurus" https://smartdefine.org/neglectful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, neglectful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/neglectful/thesaurus/synonyms>.
MLASmart Define. "neglectful thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/neglectful/thesaurus/synonyms>