- Definitions|1
- Thesaurus|500
- Abbreviations|0
42 entries under vigorous topic. ×
| tireless(adjective, strong, continue, energetic, lively) | |
| indefatigable(adjective, strong, continue, lively, determined) | |
| unflagging(adjective, strong, continue, firm, solid) | |
| assiduous(adjective, energetic, determined, resolute) | |
| industrious(adjective, strong, energetic, lively, determined) | |
| determined(adjective, firm, solid, energetic) | |
| diligent(adjective, energetic, determined, resolute) | |
| energetic(adjective, determined, active, full) | |
| patient(adjective, energetic, endure, determined) | |
| strong(adjective, energetic, lively, determined, active) | |
| dynamic(adjective, strong, moving, energetic, lively) | |
| stalwart(adjective, strong, moving, lively, active) | |
| hardy(adjective, strong, moving, lively, active) | |
| lively(adjective, strong, moving, energetic, active) | |
| spirited(adjective, strong, moving, energetic, lively) | |
| sturdy(adjective, strong, moving, lively, active) | |
| tough(adjective, strong, moving, lively, active) | |
| vital(adjective, strong, moving, energetic, lively) | |
| zippy(adjective, strong, moving, energetic, lively) | |
| active(adjective, strong, energetic, lively, determined) |
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| APA | Smart Define. (2015). untiring thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/untiring/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "untiring thesaurus" https://smartdefine.org/untiring/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, untiring thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/untiring/thesaurus/synonyms>. |
| MLA | Smart Define. "untiring thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/untiring/thesaurus/synonyms> |