41 entries under abstruse topic. ×
| abstract(adjective, obscure, extraordinary, superior, wild) | |
| ideal(adjective, fake, extraordinary, superior, false) | |
| intellectual(adjective, obscure, extraordinary, fantastic, whole) | |
| philosophical(adjective, moral, intellectual, supernatural, abstract) | |
| unreal(adjective, fake, wild, unreasonable, fantastic) | |
| transcendental(adjective, real, intellectual, supernatural, abstract) | |
| unearthly(adjective, intellectual, supernatural, abstract, spiritual) | |
| bodiless(adjective, abstract, immaterial, philosophical) | |
| immaterial(adjective, fake, false, intellectual, abstract) | |
| impalpable(adjective, fake, false, abstract, imaginary) | |
| incorporeal(adjective, abstract, immaterial, philosophical) | |
| intangible(adjective, fake, false, intellectual, abstract) | |
| spiritual(adjective, abstract, immaterial, philosophical) | |
| unsubstantial(adjective, fantastic, abstract, imaginary, unreal) | |
| discarnate(abstract, philosophical) | |
| fundamental(adjective, important, original, essential, basic) | |
| supernatural(adjective, excellent, obscure, extraordinary, superior) | |
| deep(original, moral, basic, intellectual, abstract) | |
| difficult(abstract, philosophical) | |
| esoteric(adjective, abstract, philosophical) |
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| 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> |