- Definitions|2
- Thesaurus|561
- Abbreviations|0
94 entries under tough topic. ×
| untoward(adjective, firm, unreasonable, grim) | |
| dense(adjective, strong, hard, stupid) | |
| ferric(adjective, strong, hard, sturdy) | |
| ferrous(adjective, strong, hard, sturdy) | |
| heavy(adjective, strong, hard, sturdy) | |
| indomitable(adjective, strong, hard, sturdy) | |
| insensible(adjective, strong, hard, sturdy) | |
| robust(adjective, strong, hard, sturdy) | |
| rugged(adjective, strong, hard, sturdy) | |
| steel(adjective, strong, hard, sturdy) | |
| strong(adjective, hard, sturdy, rigid) | |
| sturdy(adjective, strong, hard, rugged) | |
| thick(adjective, strong, hard, sturdy) | |
| tough inflexible(expression, strong, hard, sturdy) |
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| APA | Smart Define. (2015). stiff-necked thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/stiff-necked/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff-necked thesaurus" https://smartdefine.org/stiff-necked/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, stiff-necked thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/stiff-necked/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff-necked thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/stiff-necked/thesaurus/synonyms> |