- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
87 entries under feature topic. ×
| heedless(adjective, state, easy, sharp) | |
| careless(adjective, state, easy, sharp) | |
| reckless(adjective, state, easy, sharp) | |
| negligent(adjective, state, easy, sharp) | |
| indifferent(adjective, state, sharp, slow) | |
| irresponsible(adjective, state, careless, wild) | |
| silly(adjective, state, wrong, condition) | |
| unconcerned(adjective, state, sharp, rude) | |
| worry-free(adjective, state, condition, trait) | |
| devil-may-care(adjective, state, careless, wild) | |
| casual(adjective, state, careless, trait) | |
| feckless(adjective, state, careless, wild) | |
| happy-go-lucky(adjective, state, trait, casual) | |
| insouciant(adjective, state, dull, trait) | |
| harum-scarum(adjective, state, condition, trait) | |
| nonchalant(adjective, state, careless, indifferent) | |
| airy(adjective, state, trait, casual) | |
| carefree(adjective, state, condition, careless) | |
| cool(adjective, state, trait) | |
| easygoing(adjective, state, dull, trait) |
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| APA | Smart Define. (2016). thoughtless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thoughtless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, thoughtless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/synonyms>. |
| MLA | Smart Define. "thoughtless thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/thoughtless/thesaurus/synonyms> |