- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
| mindful(adjective, quiet, careless, aware, attentive) | |
| ruminative | |
| sentimental | |
| vigilant(careless, indifferent) | |
| watchful(adjective, inattentive) | |
| alert | |
| aware(adjective, unfriendly, unaware) | |
| brainstorm | |
| caring | |
| circumspect | |
| concerned(adjective, careful) | |
| conscious(adjective, uncertain, doubtful, dubious) | |
| courteous(adjective, mean, rude) | |
| discreet(adjective, careless, stupid) | |
| guarded | |
| meticulous | |
| polite(adjective, mean, rough, rude) | |
| provident | |
| solicitous | |
| well-considered |
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| APA | Smart Define. (2016). heedless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heedless/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, heedless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heedless/thesaurus/antonyms>. |
| MLA | Smart Define. "heedless thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/heedless/thesaurus/antonyms> |