- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
133 entries under obstinate topic. ×
| fixed(adjective, mean, hard, firm, determined) | |
| unshakable(adjective, mean, strong, hard, tough) | |
| implacable(adjective, animal, appearance, mean, strong) | |
| steadfast(adjective, strong, tough, firm, determined) | |
| unremitting(adjective, adverb, hard, tough, continue) | |
| unbendable(adjective, resist, determined, resolute, persistent) | |
| tenacious(adjective, strong, tough, firm, determined) | |
| constant(adjective, continue, firm, determined, steady) | |
| severe(adjective, appearance, mean, strong, hard) | |
| dogged(adjective, appearance, mean, strong, hard) | |
| hard-nosed(adjective, mean, strong, hard, tough) | |
| hard(adjective, mean, strong, tough, severe) | |
| continual(adjective, continue, determined, persistent, constant) | |
| iron(adjective, mean, strong, hard, tough) | |
| unwavering(adjective, firm, determined, steady, resolute) | |
| incessant(adjective, continue, determined, steady, persistent) | |
| resolved(adjective, determined, resolution, resolute, persistent) | |
| strict(adjective, strong, hard, tough, severe) | |
| exacting(adjective, severe, persistent, severity) | |
| perpetual(adjective, continue, determined, steady, persistent) |
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| APA | Smart Define. (2015). relentless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, relentless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>. |
| MLA | Smart Define. "relentless thesaurus" 24 June 2015. Web. 28 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms> |