- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
31 entries under flippant topic. ×
| rash(adjective, reasonable, happy, sensible, careless) | |
| ignorant(adjective, happy, careless, superficial) | |
| imprudent(adjective, kind, happy, careless, prudent) | |
| indiscreet(adjective, happy, careless, superficial) | |
| unrefined(adjective, happy, careless, superficial) | |
| unserious(adjective, happy, careless, sober, superficial) | |
| irrational(adjective, sound, happy, careless, rational) | |
| trivial(adjective, happy, careless, superficial) | |
| uncareful(adjective, kind, happy, careless, reserved) | |
| unimportant(adjective, happy, careless, superficial) | |
| unreasonable(adjective, happy, careless, superficial) |
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| APA | Smart Define. (2016). thoughtful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/thoughtful/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "thoughtful thesaurus" https://smartdefine.org/thoughtful/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, thoughtful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/thoughtful/thesaurus/antonyms>. |
| MLA | Smart Define. "thoughtful thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/thoughtful/thesaurus/antonyms> |