255 entries under careless topic. ×

44
thoughtless(adjective, feature, state, easy, sharp)
37
unmindful(noun, adjective, easy, sharp, neglect)
36
reckless(adjective, feature, state, free, easy)
32
inattentive(noun, adjective, sharp, rude)
30
negligent(noun, adjective, feature, state, easy)
29
rash(adjective, free, easy, sharp, rude)
26
oblivious(noun, adjective, indifferent, silly)
25
unthinking(adjective, sharp, rude, indifferent)
24
inadvertent(adjective, cold, casual, forget)
24
indifferent(noun, adjective, feature, state, sharp)
23
unheeding(verb, adjective, sharp, rude)
22
neglectful(noun, adjective, sharp, neglect, rude)
22
inconsiderate(adjective, person, evil, sharp, rude)
21
foolhardy(adjective, determined, foolish, thoughtless)
21
imprudent(adjective, easy, violent, wild)
20
incautious(adjective, sharp, rude, indifferent)
19
unconcerned(noun, adjective, feature, state, sharp)
18
absent-minded(noun, adjective, cold, casual)
18
regardless(adjective, adverb, cold, indifferent)
17
forgetful(adjective, cold, indifferent, silly)
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APASmart Define. (2016). heedless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heedless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, heedless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heedless/thesaurus/synonyms>.
MLASmart Define. "heedless thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/heedless/thesaurus/synonyms>