166 entries under tough topic. ×
| peppy(adjective, strong, fit, energetic) | |
| red-blooded(adjective, strong, intense, energetic) | |
| staunch(noun, adjective, health, strong, sound) | |
| virile(adjective, strong, powerful, vigorous) | |
| well-built(adjective, person, body, strong, sound) | |
| boisterous(adjective, strong, fit, rude) | |
| flourishing(adjective, strong, great, sound) | |
| forcible(adjective, strong, sound, strength) | |
| in fine fettle(expression, adjective, idiom, strong, sound) | |
| iron(adjective, strong, hard, inflexible) | |
| rough(adjective, strong, hard, simple) | |
| fresh(health, strong, great, right) | |
| mettlesome(adjective, strong, intense, energetic) | |
| big(adjective, person, body, strong, sound) | |
| bouncing(adjective, strong, intense, energetic) | |
| brisk(adjective, strong, intense, energetic) | |
| healthful(adjective, health, strong, fit) | |
| intense(adjective, strong, great, energetic) | |
| snappy(adjective, strong, fit, energetic) | |
| spirited(adjective, strong, energetic, powerful) |
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| APA | Smart Define. (2016). robust thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/robust/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "robust thesaurus" https://smartdefine.org/robust/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, robust thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/robust/thesaurus/synonyms>. |
| MLA | Smart Define. "robust thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/robust/thesaurus/synonyms> |