35 entries under complex topic. ×
| mega factor(expression, adjective, hard, fancy, difficult) | |
| perplexing(adjective, hard, fancy, obscure, difficult) | |
| problematic(adjective, hard, fancy, difficult) | |
| puzzling(adjective, hard, fancy, obscure, difficult) | |
| recondite(adjective, hard, fancy, obscure, difficult) | |
| sophisticated(adjective, hard, fancy, obscure, difficult) | |
| troublesome(adjective, hard, fancy, difficult) | |
| wheels within wheels(expression, adjective, idiom, hard, fancy) | |
| dense(adjective, difficult, involved, complicated) | |
| fancy(adjective, hard, difficult, intricate) | |
| full of twists and turns(expression, adjective, idiom, difficult) | |
| hard(adjective, fancy, difficult, intricate) | |
| involute | |
| problematical(adjective, difficult, intricate, thorny) | |
| thorny(adjective, difficult, involved, dense) |
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| APA | Smart Define. (2015). mixed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mixed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mixed thesaurus" https://smartdefine.org/mixed/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, mixed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mixed/thesaurus/synonyms>. |
| MLA | Smart Define. "mixed thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/mixed/thesaurus/synonyms> |