6 entries under careful topic. ×

10
heedless(adjective, careless)
7
neglectful(adjective, careless, failing)
5
negligent(adjective, careless, indifferent)
2
unaware(adjective, careless)
1
brutish(calm, apathetic, compassionate, chaste)
1
deaf to
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APASmart Define. (2016). attentive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/attentive/thesaurus/antonyms
ChicagoSmart Define. 2016. "attentive thesaurus" https://smartdefine.org/attentive/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, attentive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/attentive/thesaurus/antonyms>.
MLASmart Define. "attentive thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/attentive/thesaurus/antonyms>