67 entries under unthinking topic. ×

37
careless(adjective, feature, state, easy, sharp)
34
inconsiderate(adjective, person, mean, sharp, rough)
26
rash(adjective, easy, sharp, rough, harsh)
23
imprudent(adjective, easy, sharp, rough, harsh)
19
hasty(adjective, sharp, rough, harsh, rude)
17
indiscreet(adjective, sharp, rough, harsh, rude)
16
foolish(adjective, careless, silly, stupid, crazy)
16
injudicious(adjective, sharp, rough, harsh, rude)
16
remiss(adjective, neglect, careless, cold, foolish)
15
brash(adjective, sharp, rough, harsh, rude)
15
inadvertent(adjective, careless, cold, foolish, stupid)
15
insensitive(adjective, mean, sharp, rough, harsh)
13
stupid(adjective, dull, sharp, rough, harsh)
13
silly(adjective, feature, state, wrong, condition)
12
irrational(adjective, wrong, careless, wild, silly)
12
regardless(adjective, adverb, slow, careless, cold)
12
rude(adjective, sharp, rough, harsh, careless)
12
senseless(adjective, wrong, careless, silly, foolish)
12
witless(adjective, careless, indifferent, silly, foolish)
11
ill-advised(adjective, rude, careless, wild, silly)
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APASmart Define. (2016). thoughtless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thoughtless/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, thoughtless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/synonyms>.
MLASmart Define. "thoughtless thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/thoughtless/thesaurus/synonyms>