- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
83 entries under constant topic. ×
| persistent(adjective, strong, tough, flat, firm) | |
| firm(noun, adjective, clear, strong, sound) | |
| resolute(adjective, clear, strong, tough, severe) | |
| dogged(adjective, strong, tough, firm, resist) | |
| obstinate(adjective, strong, firm, intense, resist) | |
| pertinacious(adjective, strong, tough, firm, difficult) | |
| steadfast(adjective, clear, strong, secure, tough) | |
| set(adjective, strong, secure, flat, firm) | |
| staunch(adjective, clear, strong, sound, tough) | |
| unwavering(adjective, strong, flat, firm, intense) | |
| unfaltering(adjective, strong, firm, intense, deliberate) | |
| indefatigable(adjective, strong, tough, fit, firm) | |
| fixed(adjective, strong, sound, secure, tough) | |
| strong(adjective, sound, secure, tough, fit) | |
| intransigent(adjective, strong, firm, determined, unreasonable) | |
| tireless(adjective, strong, firm, determined, steady) | |
| unflagging(adjective, strong, tough, fit, firm) | |
| immovable(adjective, strong, secure, firm, solid) | |
| indomitable(adjective, strong, tough, firm, difficult) | |
| unflinching(adjective, strong, flat, firm, determined) |
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| APA | Smart Define. (2015). tenacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, tenacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>. |
| MLA | Smart Define. "tenacious thesaurus" 6 November 2015. Web. 21 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms> |