86 entries under trait topic. ×

51
heedless(noun, adjective, feature, state, easy)
45
thoughtless(adjective, feature, state, easy, sharp)
40
reckless(adjective, feature, state, weak, easy)
36
negligent(noun, adjective, feature, state, calm)
25
irresponsible(adjective, feature, state, weak, wild)
23
unconcerned(noun, adjective, feature, state, calm)
22
indifferent(noun, adjective, feature, state, calm)
22
casual(adjective, feature, state, calm, cool)
19
lax(adjective, feature, state, soft, indifferent)
18
devil-may-care(adjective, feature, state, easygoing)
17
nonchalant(adjective, feature, state, calm, cool)
12
insouciant(adjective, feature, state, calm, dull)
11
carefree(adjective, feature, state, weak, relaxed)
11
easygoing(adjective, feature, state, calm, dull)
11
feckless(adjective, feature, state, indifferent, wild)
11
worry-free(adjective, feature, state)
8
jaunty(adjective, feature, state, happy, relaxed)
8
relaxed(adjective, feature, state, calm, cool)
7
easy(adjective, feature, state, calm, cool)
7
weak(adjective, feature, state, feeble)
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APASmart Define. (2016). careless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>