242 entries under tough topic. ×
| built(adjective, force, fit, healthy) | |
| bullheaded(adjective, hard, sturdy, rugged) | |
| effervescent(adjective, hard, energetic, flexible) | |
| enterprising(adjective, moving, energetic, powerful) | |
| flinty(adjective, hard, solid, stiff) | |
| impervious(adjective, energetic, sturdy, greatness) | |
| in good health(expression, adjective, idiom, sound) | |
| in the pink(expression, adjective, idiom, right) | |
| persevering(adjective, flat, firm, determined) | |
| powerhouse(adjective, great, solid, energetic) | |
| rosy-cheeked(adjective, person, fit, fresh) | |
| rubbery(adjective, hard, flexible, hardy) | |
| take-charge(adjective, energetic, violent, powerful) | |
| take-over(adjective, energetic, violent, powerful) | |
| trim(adjective, sound, right, fit) | |
| unrelenting(adjective, hard, cold, sturdy) | |
| assured(energetic, certain, bold, distinct) | |
| ball of fire(expression, adjective, idiom, energetic) | |
| blooming(sound, right, fit, fresh) | |
| boisterous(adjective, severe, intense, big) |
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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> |