- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
32 entries under careless topic. ×
| attentive(adjective, careful, considerate, concentrating) | |
| thoughtful(adjective, happy, careful, caring) | |
| cautious(adjective, careful, reckless, guarded) | |
| observant(adjective, careful, unobservant) | |
| chary(adjective, careful, cautious) | |
| wary(adjective, certain, careful, cautious) | |
| mindful(adjective, quiet, aware, attentive) | |
| vigilant | |
| discreet(adjective, stupid) | |
| suspicious | |
| wise(foolish, unsound) | |
| aforethought | |
| be up on | |
| buttoned up(expression, clear) | |
| clammed up(expression, clear) | |
| coldblooded | |
| designful | |
| done on purpose(expression, idiom, thoughtless) | |
| know all the answers(expression, idiom, quiet) | |
| know ins and outs(expression, idiom, quiet) |
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| APA | Smart Define. (2016). heedless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heedless/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, heedless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heedless/thesaurus/antonyms>. |
| MLA | Smart Define. "heedless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heedless/thesaurus/antonyms> |