166 entries under tough topic. ×
| bushy-tailed(strong, great, right, fit) | |
| capable(adjective, strong, sound, fit) | |
| dashing(adjective, strong, energetic, powerful) | |
| driving(adjective, strong, energetic, powerful) | |
| fixed(adjective, strong, sound, secure) | |
| full of life(expression, strong, fit, fresh) | |
| hard-boiled(adjective, strong, hard, simple) | |
| hard-driving(adjective, strong, intense, energetic) | |
| heavy-duty(adjective, strong, sound, solid) | |
| immovable(adjective, strong, hard, secure) | |
| in fine feather(expression, adjective, idiom, strong, sound) | |
| in good condition(expression, adjective, idiom, strong) | |
| indomitable(adjective, strong, hard, great) | |
| persuasive(adjective, strong, great, energetic) | |
| physically fit(expression, strong, fit, fresh) | |
| reinforced(adjective, strong, sound, solid) | |
| rosy-cheeked(strong, fit, fresh, well) | |
| safe and sound(expression, strong, fit, fresh) | |
| stark(adjective, strong, hard, sound) | |
| steamroller(adjective, strong, great, energetic) |
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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> |