- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
69 entries under solid topic. ×
| firm(noun, adjective, clear, strong, sound) | |
| determined(adjective, clear, strong, tough, severe) | |
| resolute(adjective, clear, strong, tough, severe) | |
| unyielding(adjective, clear, strong, sound, tough) | |
| steadfast(adjective, clear, strong, secure, tough) | |
| set(adjective, strong, secure, flat, firm) | |
| staunch(adjective, clear, strong, sound, tough) | |
| indefatigable(adjective, strong, tough, fit, firm) | |
| fixed(adjective, strong, sound, secure, tough) | |
| strong(adjective, sound, secure, tough, fit) | |
| stalwart(adjective, strong, sound, tough, fit) | |
| unflagging(adjective, strong, tough, fit, firm) | |
| immovable(adjective, strong, secure, firm) | |
| sturdy(adjective, strong, sound, tough, fit) | |
| fast(adjective, strong, free, secure, tough) | |
| stout(adjective, strong, sound, tough, fit) | |
| vigorous(adjective, strong, sound, tough, fit) | |
| enduring(adjective, strong, sound, tough, fit) | |
| hearty(adjective, strong, sound, tough, fit) | |
| secure(adjective, strong, sound, free, tough) |
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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> |