81 entries under abstract topic. ×
| incorporeal(adjective, immaterial, abstruse, philosophical) | |
| intangible(adjective, fake, false, intellectual) | |
| mental(adjective, intellectual, unreal, unattainable) | |
| spiritual(adjective, immaterial, abstruse, philosophical) | |
| unsubstantial(adjective, fantastic, imaginary, unreal) | |
| visionary(adjective, fake, false, wild, unreasonable) | |
| chimerical(adjective, fake, false, wild, unreasonable) | |
| discarnate(abstruse, philosophical) | |
| fictitious(adjective, fake, false, fantastic, intellectual) | |
| fundamental(adjective, important, original, essential, basic) | |
| supernatural(adjective, excellent, obscure, extraordinary, superior) | |
| unusable(adjective, wild, unreasonable, useless, absurd) | |
| utopian(adjective, intellectual, unreal, unattainable) | |
| abstruse(intellectual, philosophical, nonconcrete) | |
| conceptual impractical(expression, intellectual, unreal, unattainable) | |
| deep(original, moral, basic, intellectual) | |
| difficult(abstruse, philosophical) | |
| dreamlike(adjective, fake, false, fantastic, intellectual) | |
| esoteric(adjective, abstruse, philosophical) | |
| eternal(excellent, obscure, extraordinary, superior, fantastic) |
For more, visit
Theoretical on
Power Thesaurus
| APA | Smart Define. (2015). theoretical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/theoretical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "theoretical thesaurus" https://smartdefine.org/theoretical/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, theoretical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/theoretical/thesaurus/synonyms>. |
| MLA | Smart Define. "theoretical thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/theoretical/thesaurus/synonyms> |