50 entries under imaginary topic. ×
| academic(adjective, philosophy, uncertain, doubtful, vague) | |
| conjectural(adjective, vague, abstract, supposition) | |
| ideal(adjective, fake, extraordinary, superior, false) | |
| notional(adjective, fake, false, fantastic, intellectual) | |
| pure(adjective, academic, hypothetical, notional) | |
| unreal(adjective, fake, wild, unreasonable, fantastic) | |
| unproved(adjective, risky, unsubstantiated, academic) | |
| fanciful(adjective, fake, false, fantastic, intellectual) | |
| doubtful(adjective, uncertain, vague, hesitant, unsure) | |
| immaterial(adjective, fake, false, intellectual, abstract) | |
| impalpable(adjective, fake, false, abstract) | |
| intangible(adjective, fake, false, intellectual, abstract) | |
| unsubstantial(adjective, fantastic, abstract, unreal) | |
| visionary(adjective, fake, false, wild, unreasonable) | |
| chimerical(adjective, fake, false, wild, unreasonable) | |
| fictitious(adjective, fake, false, fantastic, intellectual) | |
| mythical(fake, false, fanciful, illusory) | |
| artificial(fake, false, fanciful, illusory) | |
| delusive(fake, false, fantastic, unreal) | |
| dreamlike(adjective, fake, false, fantastic, intellectual) |
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| APA | Smart Define. (2015). theoretical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/theoretical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "theoretical thesaurus" https://smartdefine.org/theoretical/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, theoretical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/theoretical/thesaurus/synonyms>. |
| MLA | Smart Define. "theoretical thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/theoretical/thesaurus/synonyms> |