- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
83 entries under constant topic. ×
| grind(adjective, strong, firm, determined, steady) | |
| hanging tough(expression, adjective, determined, vigorous, resolute) | |
| incessant(adjective, strong, firm, determined, steady) | |
| inexhaustible(adjective, strong, firm, determined, steady) | |
| iron-fisted(adjective, persistent, pitiless, unyielding) | |
| merciless(adjective, persistent, pitiless, unyielding) | |
| perpetual(adjective, determined, steady, resolute, persistent) | |
| remorseless(adjective, tough, firm, unreasonable, grim) | |
| unabated(adjective, persistent, pitiless, unyielding) | |
| unbroken(adjective, persistent, pitiless, unyielding) | |
| unceasing(adjective, strong, firm, determined, steady) | |
| undeterred(adjective, strong, firm, determined, steady) | |
| unstinted(adjective, strong, firm, determined, steady) | |
| ardent(firm, true, fixed, steadfast) | |
| constrained(firm, true, fixed, steadfast) | |
| glued(firm, true, fixed, steadfast) | |
| held(firm, true, fixed, steadfast) | |
| indelible(firm, true, fixed, steadfast) | |
| inextricable(firm, true, fixed, steadfast) | |
| ironfisted |
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| APA | Smart Define. (2015). tenacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, tenacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>. |
| MLA | Smart Define. "tenacious thesaurus" 6 November 2015. Web. 23 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms> |