49 entries under abstract topic. ×
| tentative(adjective, vague, intellectual, logical) | |
| transcendental(intellectual, theoretical, abstruse, academic) | |
| unearthly(theoretical, abstruse, academic, hypothetical) | |
| unfleshly(theoretical, abstruse) | |
| universal(theoretical, abstruse) | |
| unphysical(theoretical, abstruse) | |
| unreal(intellectual, theoretical, abstruse, nonconcrete) | |
| unsubstantial(theoretical, abstruse) | |
| ontological |
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| APA | Smart Define. (2015). philosophical thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/philosophical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "philosophical thesaurus" https://smartdefine.org/philosophical/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, philosophical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/philosophical/thesaurus/synonyms>. |
| MLA | Smart Define. "philosophical thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/philosophical/thesaurus/synonyms> |