- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
8 entries under careful topic. ×
| attentive(adjective, careless, considerate, concentrating) | |
| thoughtful(adjective, happy, careless, caring) | |
| cautious(adjective, careless, reckless, guarded) | |
| heedful | |
| observant(adjective, careless, unobservant) | |
| chary(adjective, careless, cautious) | |
| wary(adjective, careless, certain, cautious) | |
| concerned |
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| APA | Smart Define. (2016). heedless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/heedless/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, heedless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/heedless/thesaurus/antonyms>. |
| MLA | Smart Define. "heedless thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/heedless/thesaurus/antonyms> |