- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
97 entries under persistent topic. ×
| true(adjective, strong, tough, flat, firm) | |
| unfaltering(adjective, intense, resolute, rigid) | |
| abiding(adjective, strong, flat, intense, certain) | |
| bound and determined(expression, adjective, idiom, harsh, cruel) | |
| changeless(adjective, severe, firm, harsh, solid) | |
| constant(adjective, strong, secure, flat, certain) | |
| fast(adjective, strong, secure, tough, firm) | |
| ferocious(adjective, mean, hard, rough, harsh) | |
| fierce(adjective, mean, hard, rough, harsh) | |
| go for broke(expression, adjective, idiom, harsh, cruel) | |
| hang-tough(adjective, strong, hard, tough, harsh) | |
| hang in(expression, adjective, harsh, cruel, determined) | |
| immobile(adjective, secure, intense, steady, fixed) | |
| intent(adjective, strong, flat, intense, certain) | |
| mortal(adjective, mean, harsh, cruel, determined) | |
| never-failing(adjective, strong, flat, intense, certain) | |
| stable(adjective, strong, secure, flat, determined) | |
| steady(adjective, strong, secure, flat, determined) | |
| stop at nothing(expression, adjective, idiom, harsh, cruel) | |
| sturdy(adjective, strong, hard, tough, firm) |
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| APA | Smart Define. (2016). obdurate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, obdurate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>. |
| MLA | Smart Define. "obdurate thesaurus" 23 March 2016. Web. 22 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms> |