- Definitions|2
- Thesaurus|330
- Abbreviations|0
98 entries under tough topic. ×
| unreasonable(firm, grim, inflexible, obstinate) | |
| unshakable(firm, determined, unreasonable, grim) | |
| unsparing(adjective, strong, hard, severe) | |
| untoward(firm, unreasonable, grim, inflexible) | |
| cruel(adjective, strong, hard, severe) | |
| dense(adjective, strong, hard, stupid) | |
| ferric(adjective, strong, hard, sturdy) | |
| ferrous(adjective, strong, hard, sturdy) | |
| heavy(adjective, strong, hard, sturdy) | |
| insensible(adjective, strong, hard, sturdy) | |
| levelheaded(adjective, hard, shrewd, stubborn) | |
| robust(adjective, strong, hard, sturdy) | |
| rugged(adjective, strong, hard, sturdy) | |
| shrewd(adjective, hard, sharp, practical) | |
| steel(adjective, strong, hard, sturdy) | |
| sturdy(adjective, strong, hard, rugged) | |
| thick(adjective, strong, hard, sturdy) | |
| tough inflexible(expression, strong, hard, sturdy) |
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| APA | Smart Define. (2015). bullheaded thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/bullheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "bullheaded thesaurus" https://smartdefine.org/bullheaded/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, bullheaded thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/bullheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "bullheaded thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/bullheaded/thesaurus/synonyms> |