| categorical(adjective, uncertain, tentative) | |
| clean(adjective, dull, sharp, dark, uncertain) | |
| clear(doubtful, ambiguous, filled) | |
| clear-cut(adjective, uncertain, definite) | |
| defined | |
| definitive(false, uncertain) | |
| finite(adjective, certain, infinite) | |
| flat(adjective, absolute, positive) | |
| focused | |
| fresh | |
| indisputable | |
| lucid | |
| manifest | |
| patent | |
| pellucid | |
| perspicuous | |
| precise(adjective, loose, uncertain, vague) | |
| pure(adjective, obscure, dark, false, dishonest) | |
| set(adjective, weak, yielding, decided) | |
| strong |
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| APA | Smart Define. (2015). indefinite thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indefinite/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, indefinite thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indefinite/thesaurus/antonyms>. |
| MLA | Smart Define. "indefinite thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/indefinite/thesaurus/antonyms> |