86 entries under theoretical topic. ×
| conceptual(adjective, rational, intellectual, immaterial) | |
| ideal(adjective, perfect, extraordinary, superior, fantastic) | |
| notional(adjective, intellectual, risky, imaginary, unreal) | |
| hypothetical(adjective, obscure, extraordinary, superior, fantastic) | |
| speculative(adjective, wild, unreasonable, useless, absurd) | |
| academic(adjective, philosophy, vague, general, logical) | |
| intellectual(adjective, obscure, extraordinary, rational, fantastic) | |
| intangible(adjective, intellectual, supernatural, indefinite, spiritual) | |
| metaphysical(adjective, physical, fantastic, moral, logical) | |
| philosophical(adjective, moral, intellectual, supernatural, logical) | |
| unpractical(adjective, unreasonable, unviable) | |
| pure(adjective, vague, intellectual, logical, imaginary) | |
| transcendent(adjective, extraordinary, beautiful, real, intellectual) | |
| transcendental(adjective, perfect, fantastic, beautiful, real) | |
| abstruse(noun, adjective, hard, difficult, heavy) | |
| conjectural(adjective, vague, intellectual, general, logical) | |
| deep(adjective, hard, delicate, complex) | |
| impalpable(adjective, insubstantial, imperceptible, immaterial) | |
| theoretic(adjective, real, thoughts) | |
| hypothetic(adjective, real) |
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| APA | Smart Define. (2015). abstract thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/abstract/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "abstract thesaurus" https://smartdefine.org/abstract/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, abstract thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abstract/thesaurus/synonyms>. |
| MLA | Smart Define. "abstract thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abstract/thesaurus/synonyms> |