- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
164 entries under adjective topic. ×
| no-nonsense(tough, reasonable, sharp, sensible) | |
| resistant(determined, resolute, obstinate, uncompromising) | |
| rigorous(strong, hard, tough, severe) | |
| rough(strong, hard, tough, severe) | |
| serious(strong, hard, tough, severe) | |
| set in stone(determined, resolute, obstinate, uncompromising) | |
| standing pat(determined, resolute, obstinate, uncompromising) | |
| steely(strong, hard, tough, severe) | |
| strict(strong, hard, tough, severe) | |
| unappeasable(determined, resolute, uncompromising, unshakeable) | |
| unfantastic(hard, sound, reasonable, sensible) | |
| unforgiving(determined, resolute, uncompromising, unshakeable) | |
| unsparing(strong, hard, tough, severe) | |
| unswayable(determined, resolute, obstinate, uncompromising) | |
| utilitarian(hard, sound, practical, realistic) | |
| aloof(standoffish, formal, stuffy) | |
| angular(strong, cold, standoffish, formal) | |
| artificial(strong, cold, standoffish, formal) | |
| businesslike(hard, sound, sharp, practical) | |
| ceremonious(strong, cold, standoffish, formal) |
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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> |