102 entries under unthinking topic. ×

51
heedless(noun, adjective, feature, state, easy)
45
thoughtless(adjective, feature, state, easy, sharp)
36
negligent(noun, adjective, feature, state, calm)
31
inattentive(noun, adjective, dull, cold, indifferent)
29
imprudent(adjective, easy, sharp, rough, wild)
25
rash(adjective, easy, sharp, rough, passionate)
25
remiss(noun, adjective, dull, soft, neglect)
23
inconsiderate(adjective, sharp, rough, cold, indifferent)
23
unconcerned(noun, adjective, feature, state, calm)
22
regardless(adjective, adverb, soft, cold, indifferent)
21
inadvertent(adjective, cold, foolish, stupid, casual)
19
indiscreet(adjective, sharp, rough, wild, foolish)
18
perfunctory(adjective, neglect, cold, forget, uncaring)
17
hasty(adjective, sharp, rough, passionate, violent)
16
slipshod(adjective, soft, rough, poor, awful)
15
slovenly(adjective, careful, sloppy, incompetent, inept)
13
unobservant(noun, adjective, cold, indifferent, foolish)
12
cursory(adjective, casual, quick, sloppy, inattentive)
12
injudicious(adjective, sharp, rough, indifferent, foolish)
11
absent-minded(noun, adjective, cold, foolish, stupid)
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APASmart Define. (2016). careless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 24 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>