81 entries under remiss topic. ×

11
regardless(adjective, soft, careless, cold, indifferent)
10
incurious(adjective, calm, cool, careless, relaxed)
10
unheeding(adjective, sharp, rude, careless, cold)
10
unobservant(noun, adjective, careless, cold, casual)
10
unwary(adjective, cold, forget, thoughtless, uncaring)
10
unwatchful(adjective, adverb, careless, cold, forget)
9
casual(adjective, feature, state, calm, cool)
8
distrait(noun, adjective, careless, cold, forget)
8
oblivious(noun, adjective, soft, careless, indifferent)
7
devil-may-care(adjective, feature, state, soft, careless)
7
easygoing(adjective, feature, state, calm, cool)
7
lazy(adjective, quiet, slow, careless, heavy)
6
inexact(adjective, soft, cold, forget, tolerant)
6
inobservant(adjective, careless, cold, forget, uncaring)
5
unsolicitous(adjective, cold, forget, uncaring, inattentive)
5
unthoughtful(adjective, sharp, rude, cold, indifferent)
4
oscitant(noun, adjective, cold, forget, uncaring)
3
behindhand(adjective, soft, slow, careless, indifferent)
3
incogitant(adjective, cold, forget, uncaring, inattentive)
3
unattending(adjective, cold, forget, uncaring, inattentive)
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APASmart Define. (2015). negligent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/negligent/thesaurus/synonyms
ChicagoSmart Define. 2015. "negligent thesaurus" https://smartdefine.org/negligent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, negligent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/negligent/thesaurus/synonyms>.
MLASmart Define. "negligent thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/negligent/thesaurus/synonyms>