- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
18 entries under unsound topic. ×
| reasonable(adjective, sound, rational, senseless) | |
| sensible(adjective, sound, foolish, rational) | |
| realistic(adjective, sound, sensible, rational) | |
| lucid | |
| wise(adjective, sound, careless, foolish, rational) | |
| judicious(adjective, careless, foolish, thoughtful, wise) | |
| levelheaded | |
| practical(adjective, unreasonable) | |
| cool as cucumber(expression, idiom, careless) | |
| coolheaded | |
| got head together(expression, idiom, unreasonable) | |
| in right mind(expression, idiom, unreasonable) | |
| sophic | |
| thought-out | |
| well-reasoned | |
| well-thought-out | |
| with all marbles(expression, idiom, careless) | |
| witting |
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| APA | Smart Define. (2015). irrational thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/irrational/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "irrational thesaurus" https://smartdefine.org/irrational/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, irrational thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/irrational/thesaurus/antonyms>. |
| MLA | Smart Define. "irrational thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/irrational/thesaurus/antonyms> |