- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
164 entries under adjective topic. ×
| grim(strong, hard, tough, determined) | |
| hardened(determined, resolute, uncompromising, unshakeable) | |
| implacable(strong, hard, tough, firm) | |
| objective(hard, sound, excite, rational) | |
| pig-headed(determined, resolute, obstinate, uncompromising) | |
| prosaic(hard, sound, excite, rational) | |
| shrewd(hard, sound, sharp, practical) | |
| harsh(strong, hard, tough, severe) | |
| inconvincible(determined, resolute, uncompromising, unshakeable) | |
| insistent(determined, resolute, obstinate, uncompromising) | |
| ossified(determined, resolute, uncompromising, unshakeable) | |
| reasonable(hard, sound, sensible, practical) | |
| sane(hard, sound, reasonable, sensible) | |
| self-opinionated(determined, resolute, uncompromising, unshakeable) | |
| severe(strong, hard, tough, harsh) | |
| solid(firm, inflexible, obstinate, stubborn) | |
| unidealistic(hard, sound, reasonable, sensible) | |
| unwavering(determined, resolute, obstinate, uncompromising) | |
| astringent(strong, hard, tough, severe) | |
| austere(strong, hard, tough, severe) |
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| APA | Smart Define. (2015). hardheaded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, hardheaded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "hardheaded thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms> |