- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
147 entries under determined topic. ×
| inexorable(adjective, tough, firm, resolute) | |
| pigheaded(adjective, tough, firm, difficult, resist) | |
| unrelenting(adjective, resolute, obstinate, uncompromising) | |
| unswerving(adjective, strong, firm, steady) | |
| contrary(adjective, difficult, wild, awkward) | |
| hardheaded(adjective, tough, firm, resist) | |
| single-minded(adjective, tough, intense, deliberate) | |
| unshakable(adjective, strong, tough, firm) | |
| vigorous(adjective, strong, sound, tough, fit) | |
| bullheaded(adjective, tough, firm, difficult, resist) | |
| constant(adjective, strong, tough, flat, firm) | |
| decided(adjective, firm, intense, deliberate) | |
| enduring(adjective, strong, sound, tough, fit) | |
| hard(adjective, strong, fixed, persistent) | |
| plucky(adjective, strong, tough, bold) | |
| steady(adjective, strong, sound, secure, tough) | |
| strong-minded(adjective, firm, fixed, serious) | |
| unbendable(adjective, resolute, obstinate, uncompromising) | |
| devoted(adjective, strong, firm, steady) | |
| hard-nosed(adjective, resolute, obstinate, uncompromising) |
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| APA | Smart Define. (2015). tenacious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, tenacious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>. |
| MLA | Smart Define. "tenacious thesaurus" 6 November 2015. Web. 24 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms> |