- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
62 entries under deep topic. ×
| inexplicable(adjective, hard, strange, tricky) | |
| learned(obscure, thoughtful, precise, knowledgeable) | |
| scholarly(obscure, complex, thoughtful, modern) | |
| serious(intense, heavy, fierce, thoughtful) | |
| veiled(adjective, obscure, strange, mysterious) | |
| weighty(thoughtful, reflective) | |
| wise(thoughtful, reflective) | |
| Delphian(adjective, evil, obscure, strange) | |
| acroamatic(adjective, hard, obscure, difficult, heavy) | |
| anagogic(adjective, evil, mysterious, secret) | |
| eternal(abstract, theoretical, profound, philosophical) | |
| intellectual(sound, thoughtful, knowledgeable, abstract) | |
| invisible(obscure, dark, mysterious, unknown) | |
| magic(obscure, mysterious, supernatural, spiritual) | |
| magical(obscure, strange, mysterious, unknown) | |
| orphic(obscure, complex, thoughtful, mysterious) | |
| philosophical(sound, thoughtful, intellectual, abstract) | |
| preternatural(obscure, mysterious, supernatural, abstract) | |
| sage(thoughtful, knowledgeable, cultured, educated) | |
| skilled(sound, thoughtful, knowledgeable, cultured) |
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| APA | Smart Define. (2015). abstruse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, abstruse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>. |
| MLA | Smart Define. "abstruse thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms> |