- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
382 entries under adjective topic. ×
| sophisticated(hard, difficult, complex, intelligent) | |
| backbreaking(hard, difficult, complex) | |
| complicated(hard, difficult, complex) | |
| heartrending(hard, difficult, intense, complex) | |
| painful(hard, difficult, complex) | |
| problematic(hard, difficult, complex) | |
| sensitive(hard, difficult, complex, subtle) | |
| toilsome(hard, difficult, complex) | |
| unbearable(hard, difficult, complex) | |
| sad(hard, difficult, complex, greatness) | |
| dire(hard, difficult, complex) | |
| extreme(strong, hard, great, sharp) | |
| labyrinthine(hard, difficult, complex) | |
| leaden(hard, difficult, complex) | |
| massive(hard, difficult, complex) | |
| ponderous(hard, difficult, complex) | |
| sheer(hard, difficult, complex) | |
| thorough(complete, sensible, intense, full) | |
| heavy(easy, severe, obscure, slang) | |
| wise(sharp, bright, deep, intelligent) |
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| APA | Smart Define. (2016). profound thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/profound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "profound thesaurus" https://smartdefine.org/profound/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, profound thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/profound/thesaurus/synonyms>. |
| MLA | Smart Define. "profound thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/profound/thesaurus/synonyms> |