7 entries under implausible topic. ×
| unlikely(adjective, feature, characteristic, attitude) | |
| impractical(adjective, feature, person, unreasonable) | |
| improbable(adjective, feature, person, unreasonable) | |
| intolerable(adjective, feature, person, unreasonable) | |
| outrageous(adjective, feature, person, unreasonable) | |
| unbelievable(adjective, feature, characteristic, attitude) | |
| expensive(adjective, feature, person, unreasonable) |
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| APA | Smart Define. (2015). cognitive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cognitive/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "cognitive thesaurus" https://smartdefine.org/cognitive/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, cognitive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cognitive/thesaurus/antonyms>. |
| MLA | Smart Define. "cognitive thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/cognitive/thesaurus/antonyms> |