- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
106 entries under vigorous topic. ×
| exuberant(adjective, strong, tough, intense, energetic) | |
| fiery(adjective, difficult, stressful) | |
| forcible(adjective, strong, tough, energetic, powerful) | |
| impassioned(adjective, difficult, stressful) | |
| passionate | |
| potent(adjective, strong, tough, energetic, powerful) | |
| prolific | |
| relentless(difficult, energetic, unrelenting, stressful) | |
| snappy(adjective, strong, tough, energetic, powerful) | |
| sturdy(adjective, strong, tough, intense, energetic) | |
| unflagging(adjective, strong, difficult, energetic, lively) | |
| virile | |
| vivacious(adjective, strong, moving, energetic, lively) | |
| ablaze | |
| activating(adjective, energetic, lively, active) | |
| afire | |
| assertive(adjective, tough, smart, energetic) | |
| assertory(adjective, tough, smart, energetic) | |
| ball of fire(expression, adjective, idiom, strong, tough) | |
| brassy(adjective, tough, smart, energetic) |
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| APA | Smart Define. (2016). strenuous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/strenuous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strenuous thesaurus" https://smartdefine.org/strenuous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, strenuous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/strenuous/thesaurus/synonyms>. |
| MLA | Smart Define. "strenuous thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/strenuous/thesaurus/synonyms> |