- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
497 entries under adjective topic. ×
| unfeeling(mean, hard, cool, tough) | |
| headstrong(hard, tough, rough, harsh) | |
| stiff-necked(strong, hard, tough, severe) | |
| hard-boiled(person, strong, hard, tough) | |
| hard-hearted(mean, hard, tough, severe) | |
| harsh(mean, strong, hard, cool) | |
| iron(strong, hard, tough, firm) | |
| pertinacious(determined, resolute, obstinate, stubborn) | |
| pigheaded(tough, determined, resolute, obstinate) | |
| remorseless(mean, tough, harsh, resist) | |
| unsympathetic(mean, hard, cool, tough) | |
| heartless(mean, feeling, hard, cool) | |
| steely(strong, hard, tough, cold) | |
| uncompliant(resist, determined, resolute, obstinate) | |
| contrary(difficult, determined, resolute, obstinate) | |
| flinty(close, strong, hard, tough) | |
| opinionated(tough, firm, determined, resolute) | |
| persistent(strong, tough, flat, firm) | |
| strong-willed(determined, resolute, uncompromising, unshakeable) | |
| incompliant(resist, determined, resolute, obstinate) |
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| APA | Smart Define. (2016). obdurate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, obdurate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>. |
| MLA | Smart Define. "obdurate thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms> |