- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
164 entries under adjective topic. ×
| stiff-necked(strong, hard, tough, resist) | |
| tenacious(tough, firm, resist, determined) | |
| uncompromising(determined, resolute, obstinate, unshakeable) | |
| unrelenting(strong, hard, tough, cold) | |
| wilful(determined, resolute, obstinate, uncompromising) | |
| adamantine(strong, hard, tough, firm) | |
| down-to-earth(hard, sound, reasonable, excite) | |
| opinionated(tough, firm, determined, resolute) | |
| unsentimental(hard, sound, reasonable, sensible) | |
| adamant(strong, hard, tough, determined) | |
| inexorable(strong, hard, tough, determined) | |
| intransigent(determined, resolute, obstinate, uncompromising) | |
| pragmatical(hard, sound, excite, real) | |
| relentless(strong, hard, tough, cold) | |
| sober(hard, sound, reasonable, sharp) | |
| unbending(strong, hard, tough, determined) | |
| unromantic(hard, sound, excite, real) | |
| bigoted(determined, resolute, obstinate, uncompromising) | |
| immovable(strong, hard, tough, determined) | |
| intractable(strong, tough, firm, cold) |
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| APA | Smart Define. (2015). hardheaded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, hardheaded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "hardheaded thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms> |