- Definitions|1
- Thesaurus|618
- Abbreviations|0
45 entries under vigorous topic. ×
| strenuous(adjective, strong, difficult, energetic, lively) | |
| tough(adjective, strong, sound, fit, firm) | |
| vital(adjective, strong, tough, fit, lively) | |
| aggressive(adjective, strong, moving, lively, active) | |
| animated(adjective, strong, moving, lively, active) | |
| ball of fire(expression, adjective, idiom, strong, lively) | |
| breezy(adjective, strong, moving, lively, active) | |
| brisk(adjective, strong, moving, lively, active) | |
| demoniac(adjective, strong, moving, lively, active) | |
| forcible(adjective, strong, moving, lively, active) | |
| hardy(adjective, strong, tough, fit, lively) | |
| high-powered(adjective, strong, moving, lively, active) | |
| lusty(adjective, strong, sound, tough, fit) | |
| peppy(adjective, strong, tough, fit, lively) | |
| potent(adjective, strong, tough, fit, lively) | |
| powerful(adjective, strong, sound, tough, fit) | |
| red-blooded(adjective, strong, moving, lively, active) | |
| snappy(adjective, strong, tough, fit, lively) | |
| sprightly(adjective, strong, moving, lively, active) | |
| spry(adjective, strong, moving, lively, active) |
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| APA | Smart Define. (2015). unflagging thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unflagging/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unflagging thesaurus" https://smartdefine.org/unflagging/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unflagging thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unflagging/thesaurus/synonyms>. |
| MLA | Smart Define. "unflagging thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unflagging/thesaurus/synonyms> |