- Definitions|2
- Thesaurus|860
- Abbreviations|0
| breezy(adjective, strong, moving, lively, active) | |
| continued(adjective, strong, firm, determined, steady) | |
| continuous | |
| daring | |
| dead set on | |
| demoniac(adjective, strong, moving, lively, active) | |
| dependable | |
| eager beaver(expression, adjective, strong, firm, determined) | |
| fireball(adjective, strong, firm, determined, steady) | |
| flintlike(adjective, tenacious) | |
| forcible(adjective, strong, moving, lively, active) | |
| full of beans(expression, adjective, idiom, active, peppy) | |
| full of pep(expression, adjective, idiom, strong, speedy) | |
| go-go(adjective, strong, firm, determined, steady) | |
| gumptious | |
| hardy(adjective, strong, moving, lively, active) | |
| hell-bent | |
| high-powered(adjective, strong, moving, energetic, lively) | |
| implacable(adjective, resolute) | |
| in for long haul |
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| APA | Smart Define. (2016). tireless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tireless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tireless thesaurus" https://smartdefine.org/tireless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, tireless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tireless/thesaurus/synonyms>. |
| MLA | Smart Define. "tireless thesaurus" 19 February 2016. Web. 24 September 2026. <https://smartdefine.org/tireless/thesaurus/synonyms> |