67 entries under negligent topic. ×

42
heedless(adjective, feature, state, easy, sharp)
37
careless(adjective, feature, state, easy, sharp)
36
reckless(adjective, feature, state, easy, sharp)
26
rash(adjective, easy, sharp, rough, harsh)
25
inattentive(adjective, sharp, rude, careless, cold)
24
neglectful(adjective, sharp, neglect, rude, careless)
23
imprudent(adjective, easy, sharp, rough, harsh)
21
unmindful(adjective, easy, sharp, neglect, rude)
20
incautious(adjective, sharp, rude, careless, indifferent)
16
foolish(adjective, careless, silly, stupid, crazy)
16
indifferent(adjective, feature, state, sharp, slow)
16
irresponsible(adjective, feature, state, careless, wild)
16
remiss(adjective, neglect, careless, cold, foolish)
12
blind(adjective, sharp, rude, careless, indifferent)
12
forgetful(adjective, careless, cold, silly, foolish)
12
regardless(adjective, adverb, slow, careless, cold)
8
disregardful(adjective, sharp, slow, rude, careless)
7
casual(adjective, feature, state, careless, trait)
6
apathetic(adjective, dull, sharp, rude, careless)
6
feckless(adjective, feature, state, careless, wild)
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APASmart Define. (2016). thoughtless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/thoughtless/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, thoughtless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/synonyms>.
MLASmart Define. "thoughtless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/thoughtless/thesaurus/synonyms>