- Definitions|2
- Thesaurus|561
- Abbreviations|0
94 entries under tough topic. ×
| hard-boiled(adjective, mean, strong, hard) | |
| hard-core(adjective, strong, hard, severe) | |
| hard-hearted(adjective, mean, hard, harsh) | |
| hard-line(adjective, strong, hard, severe) | |
| hard-shell(adjective, strong, hard, severe) | |
| insubordinate(adjective, firm, unreasonable, grim) | |
| mean(adjective, hard, harsh, unfeeling) | |
| mortified(adjective, strong, hard, severe) | |
| ornery(adjective, firm, unreasonable, grim) | |
| persistent(adjective, firm, deliberate, determined) | |
| rebellious(adjective, firm, unreasonable, grim) | |
| rough(adjective, strong, hard, severe) | |
| serious(adjective, strong, hard, severe) | |
| single-minded(adjective, firm, determined, unreasonable) | |
| thick-skinned(adjective, mean, hard, harsh) | |
| uncompassionate(adjective, mean, hard, harsh) | |
| unimpressible(adjective, mean, hard, harsh) | |
| unreasonable(adjective, firm, grim, persistent) | |
| unshakable(adjective, mean, hard, firm) | |
| unsparing(adjective, strong, hard, severe) |
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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> |