197 entries under hard topic. ×
| tough(adjective, action, strong, sound) | |
| rough(adjective, action, calm, quiet, strong) | |
| strong(adjective, sound, tough, fit) | |
| severe(adjective, strong, tough, rough) | |
| difficult(adjective, severe, evil, rough) | |
| arduous(adjective, severe, rough, difficult) | |
| knotty(adjective, severe, difficulty, difficult) | |
| hefty(adjective, difficult, complex) | |
| laborious(adjective, severe, rough, difficult) | |
| burly(adjective, difficult, complex) | |
| sturdy(adjective, strong, sound, tough) | |
| thorny(adjective, difficulty, difficult, complex) | |
| harsh(adjective, strong, smooth, tough) | |
| trying(adjective, difficulty, difficult, complex) | |
| burdensome(adjective, severe, rough, difficult) | |
| complicated(adjective, difficulty, difficult, complex) | |
| intricate(adjective, difficulty, difficult, complex) | |
| tricky(adjective, difficult, delicate, uncertain) | |
| complex(adjective, difficult) | |
| knotted(adjective, difficulty, difficult, complex) |
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| APA | Smart Define. (2015). rugged thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, rugged thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>. |
| MLA | Smart Define. "rugged thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms> |