- Definitions|2
- Thesaurus|2.7k
- Abbreviations|0
63 entries under abstract topic. ×
| bodiless(theoretical, abstruse, philosophical) | |
| conjectural(adjective, theoretical, academic, philosophical) | |
| difficult(deep, thoughtful, theoretical, reflective) | |
| esoteric(adjective, sound, deep, thoughtful) | |
| eternal(excellent, obscure, extraordinary, superior) | |
| fundamental(theoretical, abstruse, philosophical) | |
| high-flown(adjective, supernatural, spiritual, unreal) | |
| hypothetical(adjective, obscure, extraordinary, fantastic, whole) | |
| imaginary(adjective, rational, emotional, reasoning, thinking) | |
| impalpable(theoretical, abstruse, philosophical) | |
| insubstantial(theoretical, abstruse, philosophical) | |
| intangible(theoretical, abstruse, philosophical, nonconcrete) | |
| ivory-tower(adjective, unreal, unattainable) | |
| jesuitic(theoretical, abstruse, philosophical) | |
| mystical(theoretical, abstruse, philosophical) | |
| nonmaterial(theoretical, abstruse, philosophical) | |
| nonphysical(theoretical, abstruse, philosophical) | |
| numinous(theoretical, abstruse, philosophical) | |
| oversubtle(theoretical, abstruse, philosophical) | |
| quixotic(adjective, vague, logical, unreal) |
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| APA | Smart Define. (2016). intellectual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/intellectual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "intellectual thesaurus" https://smartdefine.org/intellectual/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, intellectual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/intellectual/thesaurus/synonyms>. |
| MLA | Smart Define. "intellectual thesaurus" 22 February 2016. Web. 25 September 2026. <https://smartdefine.org/intellectual/thesaurus/synonyms> |