189 entries under adjective topic. ×
| unproven | |
| unsubstantial(fantastic, abstract, imaginary, unreal) | |
| untested | |
| visionary(fake, false, wild, unreasonable) | |
| axiomatic(important, significant, original, basic) | |
| basic(important, significant, original, essential) | |
| chimerical(fake, false, wild, unreasonable) | |
| erudite | |
| ethereal | |
| fictitious(fake, false, fantastic, intellectual) | |
| fundamental(important, original, essential, basic) | |
| nominal | |
| nonfigurative | |
| nonobjective | |
| presumptive | |
| primordial(obscure, extraordinary, superior, important) | |
| prophesied | |
| reputed(uncertain, doubtful, speculative, hypothetical) | |
| scholarly | |
| supernatural(excellent, obscure, extraordinary, superior) |
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| APA | Smart Define. (2015). theoretical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/theoretical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "theoretical thesaurus" https://smartdefine.org/theoretical/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, theoretical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/theoretical/thesaurus/synonyms>. |
| MLA | Smart Define. "theoretical thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/theoretical/thesaurus/synonyms> |