- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
89 entries under active topic. ×
| tough(adjective, action, dull, strong, great) | |
| energetic(adjective, action, strong, tough, smart) | |
| vigorous(adjective, action, strong, tough, smart) | |
| eager(adjective, activity, difficult, energetic, determined) | |
| spirited(adjective, strong, tough, difficult, energetic) | |
| zealous(adjective, activity, strong, tough, smart) | |
| dynamic(adjective, action, strong, tough, smart) | |
| animated(adjective, strong, moving, difficult, energetic) | |
| forceful(adjective, action, strong, tough, smart) | |
| industrious(adjective, strong, difficult, lively, determined) | |
| strong(adjective, tough, difficult, energetic, powerful) | |
| busy | |
| intense(adjective, strong, tough, difficult, harsh) | |
| lusty(adjective, strong, tough, intense, energetic) | |
| rugged(adjective, action, strong, tough, severe) | |
| tireless(adjective, strong, difficult, energetic, lively) | |
| lively(adjective, action, strong, tough, energetic) | |
| peppy(adjective, action, strong, tough, informal) | |
| powerful(adjective, strong, great, tough, difficult) | |
| vital(adjective, strong, tough, intense, energetic) |
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| APA | Smart Define. (2016). strenuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/strenuous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strenuous thesaurus" https://smartdefine.org/strenuous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, strenuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/strenuous/thesaurus/synonyms>. |
| MLA | Smart Define. "strenuous thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/strenuous/thesaurus/synonyms> |