132 entries under tough topic. ×
| mettlesome(adjective, strong, intense, energetic) | |
| mighty(adjective, strong, fit, solid) | |
| peppy(adjective, strong, fit, energetic) | |
| perdurable(calm, strong, solid, substantial) | |
| physically fit(expression, strong, fit, fresh) | |
| powerhouse(strong, fit, solid, healthy) | |
| prospering(strong, fit, healthy, well) | |
| reinforced(adjective, strong, solid, heavy) | |
| robustious(strong, fit, healthy, well) | |
| robustuous(strong, fit, healthy, well) | |
| rosy-cheeked(strong, fit, fresh, well) | |
| rough(strong, fit, healthy, well) | |
| safe and sound(expression, adjective, idiom, strong) | |
| snappy(adjective, strong, sharp, fit) | |
| spanking(adjective, good, bad, strong, great) | |
| spirited(adjective, strong, energetic, powerful) | |
| stark(adjective, strong, solid, heavy) | |
| steamroller(adjective, strong, energetic, powerful) | |
| strenuous(adjective, strong, intense, energetic) | |
| strong as an ox(expression, adjective, idiom, strong) |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |