60 entries under sloppy topic. ×

11
slovenly(adjective, careless, indifferent, loose)
10
distracted(noun, adjective, careless, indifferent, apathetic)
10
imprudent(adjective, easy, careless, wild, foolish)
10
irresponsible(adjective, feature, state, careless, indifferent)
10
slapdash(adjective, careless, indifferent, loose, casual)
10
unheeding(adjective, sharp, rude, careless, cold)
10
unobservant(noun, adjective, careless, cold, casual)
10
unthinking(adjective, sharp, rude, careless, indifferent)
9
casual(adjective, feature, state, calm, cool)
8
loose(adjective, calm, cool, careless, relaxed)
8
oblivious(noun, adjective, soft, careless, indifferent)
7
absent(adjective, careless, indifferent, apathetic, unconcerned)
7
preoccupied(adjective, careless, indifferent, apathetic, unconcerned)
6
offhand(adjective, calm, cool, careless, relaxed)
5
abstracted(noun, adjective, careless, casual, thoughtless)
5
improvident(adjective, careless, casual, bold, thoughtless)
5
incautious(adjective, sharp, rude, careless, indifferent)
5
lackadaisical(adjective, calm, quiet, cool, easy)
4
cursory(adjective, careless, indifferent, casual)
3
inaccurate(adjective, soft, careless, loose, casual)
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APASmart Define. (2015). negligent thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/negligent/thesaurus/synonyms
ChicagoSmart Define. 2015. "negligent thesaurus" https://smartdefine.org/negligent/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, negligent thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/negligent/thesaurus/synonyms>.
MLASmart Define. "negligent thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/negligent/thesaurus/synonyms>