- Definitions|1
- Thesaurus|459
- Abbreviations|0
45 entries under adjective topic. ×
| reasonable | |
| defensible | |
| arguable(unimaginable, tenable) | |
| credible(unsound, unbelievable, believable) | |
| justifiable | |
| sensible | |
| sustainable | |
| rational | |
| logical | |
| competent | |
| tenable | |
| available | |
| conceivable | |
| coherent | |
| convincing | |
| plausible | |
| watertight | |
| allowable | |
| authentic | |
| admissible |
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| APA | Smart Define. (2016). untenable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/untenable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "untenable thesaurus" https://smartdefine.org/untenable/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, untenable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/untenable/thesaurus/antonyms>. |
| MLA | Smart Define. "untenable thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/untenable/thesaurus/antonyms> |