- Definitions|1
- Thesaurus|474
- Abbreviations|0
164 entries under adjective topic. ×
| scheduled(firm, determined, usual, regular) | |
| settled(firm, determined, usual, regular) | |
| solid as a rock(expression, idiom, firm, determined) | |
| specified(firm, determined, usual, regular) | |
| stated(firm, determined, usual, regular) | |
| steely(obstinate, stubborn, unbending) | |
| stern(determined, resolute, uncompromising, unshakeable) | |
| stipulated(firm, determined, usual, regular) | |
| stony | |
| stupid(informal, stubborn) | |
| tough-nut(hard, tough, difficult, wild) | |
| tough nut to crack(expression, idiom, mean, hard) | |
| unappeasable(determined, resolute, uncompromising, unshakeable) | |
| unfaltering | |
| unflappable(set, firm, determined, usual) | |
| unforgiving(determined, resolute, uncompromising, unshakeable) | |
| unimpressible(mean, hard, harsh, inflexible) | |
| unshakable(mean, hard, tough, firm) | |
| usual(firm, determined, regular, planned) | |
| well-set(firm, determined, usual, regular) |
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| APA | Smart Define. (2015). pigheaded thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/pigheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pigheaded thesaurus" https://smartdefine.org/pigheaded/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, pigheaded thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/pigheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "pigheaded thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/pigheaded/thesaurus/synonyms> |