- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
497 entries under adjective topic. ×
| unshakable(determined, resolute, obstinate, stubborn) | |
| hard-nosed(strong, hard, secure, tough) | |
| stony(person, mean, hard, cool) | |
| steadfast(strong, secure, tough, flat) | |
| adamantine(strong, hard, tough, resist) | |
| dogged(strong, tough, firm, harsh) | |
| set(strong, determined, resolute, obstinate) | |
| mulish(strong, hard, tough, firm) | |
| unbendable(resist, determined, resolute, persistent) | |
| tough(mean, strong, hard, cool) | |
| hardened(person, hard, tough, severe) | |
| tenacious(strong, determined, resolute, obstinate) | |
| callous(person, mean, hard, cool) | |
| grim(mean, strong, hard, tough) | |
| implacable(mean, strong, hard, tough) | |
| intractable(tough, firm, difficult, violent) | |
| severe(mean, strong, hard, tough) | |
| unwavering(strong, secure, flat, certain) | |
| perverse(mean, tough, firm, harsh) | |
| stern(mean, hard, tough, severe) |
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| APA | Smart Define. (2016). obdurate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, obdurate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>. |
| MLA | Smart Define. "obdurate thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms> |