16 entries under complex topic. ×
| complicated | |
| cutting-edge | |
| delicate | |
| elaborate | |
| high-tech | |
| intricate | |
| involved | |
| knotty | |
| labyrinthine | |
| leading-edge | |
| modern | |
| sophisticated(adjective, elevated) | |
| state-of-the-art | |
| subtle | |
| advanced(adjective, elevated) | |
| highly developed |
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| APA | Smart Define. (2013). high-level thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/high-level/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "high-level thesaurus" https://smartdefine.org/high-level/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, high-level thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/high-level/thesaurus/synonyms>. |
| MLA | Smart Define. "high-level thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/high-level/thesaurus/synonyms> |