- Definitions|2
- Thesaurus|2.8k
- Abbreviations|0
140 entries under complex topic. ×
| messy(adjective, hard, difficult) | |
| multiple(adjective, hard, difficult) | |
| precarious(adjective, hard, difficult) | |
| sensitive(adjective, hard, difficult, delicate) | |
| severe(adjective, hard, difficult, awkward) | |
| sinuous(adjective, hard, difficult) | |
| toilsome(adjective, hard, difficult, awkward) | |
| trying(adjective, hard, difficult, thorny) | |
| convoluted(adjective, hard, simple, fancy, obscure) | |
| entangled(verb, adjective, hard, fancy, difficult) | |
| confused(verb, adjective, obscure, sophisticated) | |
| tortuous(adjective, obscure, difficult, sophisticated) | |
| abstruse(adjective, hard, fancy, obscure, difficult) | |
| obscure(adjective, hard, difficult, sophisticated) | |
| perplexing(adjective, hard, fancy, obscure, difficult) | |
| deep(adjective, hard, obscure, full) | |
| puzzling(adjective, hard, fancy, obscure, difficult) | |
| confusing(adjective, hard, tricky, complicated) | |
| recondite(adjective, hard, fancy, obscure, difficult) | |
| baffling(adjective, hard, difficult, awkward) |
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| APA | Smart Define. (2015). involved thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/involved/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "involved thesaurus" https://smartdefine.org/involved/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, involved thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/involved/thesaurus/synonyms>. |
| MLA | Smart Define. "involved thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/involved/thesaurus/synonyms> |