242 entries under tough topic. ×
| booming(hard, fit, healthy, favorable) | |
| bound(adjective, close, flat, firm) | |
| bright-eyed(fit, fresh, well, together) | |
| buoyant(adjective, hard, energetic, lively) | |
| bushy-tailed(fit, fresh, well, together) | |
| chipper(fit, fresh, well, together) | |
| cruel(adjective, hard, severe, intense) | |
| daredevil(noble, bold, resolute, spirited) | |
| daring(determined, noble, bold, resolute) | |
| dashing(adjective, energetic, powerful, lively) | |
| full of life(expression, idiom, fit, fresh) | |
| gallant(noble, bold, resolute, spirited) | |
| hardened(adjective, set, hard, sound) | |
| in fine feather(expression, adjective, idiom, sound) | |
| in good condition(expression, adjective, idiom, sound) | |
| inexorable(adjective, hard, severe, sturdy) | |
| irrepressible(adjective, hard, violent, wild) | |
| lionhearted(noble, bold, resolute, spirited) | |
| live(fit, active, healthy, well) | |
| mulish(adjective, hard, firm, determined) |
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| APA | Smart Define. (2016). strong thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strong/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, strong thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strong/thesaurus/synonyms>. |
| MLA | Smart Define. "strong thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/strong/thesaurus/synonyms> |