9 entries under plausible topic. ×
| believable(adjective, unreasonable) | |
| credible(adjective, unsound, believable) | |
| possible | |
| likely | |
| imaginable(adjective, unimaginable) | |
| real | |
| reasonable(adjective, foolish) | |
| conceivable(adjective, reasonable, easy, implausible) | |
| tenable(adjective, untenable) |
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Unbelievable on
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| APA | Smart Define. (2016). unbelievable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unbelievable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unbelievable thesaurus" https://smartdefine.org/unbelievable/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, unbelievable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unbelievable/thesaurus/antonyms>. |
| MLA | Smart Define. "unbelievable thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/unbelievable/thesaurus/antonyms> |