- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
66 entries under hard topic. ×
| mystical(adjective, evil, obscure, dark) | |
| ticklish(tricky, complicated) | |
| tricky(adjective, difficult, complex, sophisticated) | |
| thorny(adjective, difficult, delicate, loose) | |
| convoluted(adjective, fancy, obscure, difficult) | |
| unclear(adjective, obscure, difficult, loose) | |
| arduous(adjective, fancy, difficult, complex) | |
| delicate(sharp, exact, tricky, complicated) | |
| entangled(adjective, fancy, obscure, difficult) | |
| formidable(intense, heavy, fierce, tricky) | |
| inexplicable(adjective, strange, deep, tricky) | |
| labyrinthine(adjective, fancy, obscure, difficult) | |
| nice(sharp, exact, tricky, complicated) | |
| problematic(adjective, fancy, difficult, complex) | |
| tangled(adjective, obscure, difficult, complex) | |
| unintelligible(adjective, obscure, difficult, delicate) | |
| Daedalean(adjective, fancy, obscure, difficult) | |
| Gordian(adjective, fancy, obscure, difficult) | |
| academic(adjective, dull, sound, obscure) | |
| acroamatic(adjective, obscure, difficult, heavy) |
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| APA | Smart Define. (2015). abstruse thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, abstruse thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>. |
| MLA | Smart Define. "abstruse thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms> |