- Definitions|2
- Thesaurus|644
- Abbreviations|0
12 entries under unreasonable topic. ×
| unjustifiable(adjective, wrong) | |
| unwarranted(adjective, right, wrong, reasonable) | |
| unacceptable(adjective, wrong) | |
| illegitimate(adjective, good, wrong, legal) | |
| invalid(adjective, wrong) | |
| prohibited(adjective, wrong) | |
| unlawful(adjective, wrong) | |
| wrong | |
| illegal(adjective, good, wrong, legal) | |
| improbable(adjective, wrong) | |
| unlikely(adjective, wrong) | |
| unsuitable(adjective, wrong) |
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| APA | Smart Define. (2016). justifiable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/justifiable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "justifiable thesaurus" https://smartdefine.org/justifiable/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, justifiable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/justifiable/thesaurus/antonyms>. |
| MLA | Smart Define. "justifiable thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/justifiable/thesaurus/antonyms> |