10 entries under hard topic. ×
| compound(adjective, difficult, complex, various) | |
| multiplex(adjective, difficult, complex, diversified) | |
| complicated(adjective, difficult, complex, various) | |
| complex(adjective, difficult, involved, intricate) | |
| intricate(adjective, difficult, complex) | |
| involute(adjective, difficult, complex) | |
| composite(adjective, difficult, complex) | |
| convict(adjective, difficult, complex, bad man) | |
| difficult(adjective, complex) | |
| involved(adjective, difficult, complex) |
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| APA | Smart Define. (2015). multiple thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/multiple/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "multiple thesaurus" https://smartdefine.org/multiple/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, multiple thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/multiple/thesaurus/synonyms>. |
| MLA | Smart Define. "multiple thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/multiple/thesaurus/synonyms> |