- Definitions|2
- Thesaurus|860
- Abbreviations|0
215 entries under adjective topic. ×
| tenacious(strong, firm, determined, steady) | |
| inexhaustible(strong, continue, firm, energetic) | |
| steady(strong, firm, determined, resolute) | |
| unswerving(set, strong, firm, determined) | |
| unwearied(strong, continue, firm, energetic) | |
| vigorous(strong, energetic, lively, determined) | |
| firm(strong, determined, steady, resolute) | |
| hardworking | |
| stubborn(resolute, tenacious) | |
| busy | |
| constant(strong, firm, determined, steady) | |
| dynamic(strong, moving, energetic, lively) | |
| enthusiastic(determined, active, peppy, bouncing) | |
| hard-working(work, strain, determined, firmness) | |
| loyal | |
| resolved | |
| spirited(strong, moving, energetic, lively) | |
| strenuous(strong, difficult, energetic, lively) | |
| eager(determined, active) | |
| lively(strong, moving, energetic, active) |
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| APA | Smart Define. (2016). tireless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tireless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tireless thesaurus" https://smartdefine.org/tireless/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, tireless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tireless/thesaurus/synonyms>. |
| MLA | Smart Define. "tireless thesaurus" 19 February 2016. Web. 25 September 2026. <https://smartdefine.org/tireless/thesaurus/synonyms> |