328 entries under strong topic. ×
| powerhouse(fit, solid, vigorous, healthy) | |
| rubbery(adjective, hard, flexible, sinewy) | |
| seasoned(adjective, hard, sound, fit) | |
| snappy(adjective, harsh, energetic, powerful) | |
| steeled(noun, adjective, hard, unfeeling) | |
| stiff-necked(adjective, mean, hard, firm) | |
| sure(adjective, calm, firm, solid) | |
| undaunted(adjective, determined, noble, bold) | |
| unflagging(adjective, sound, fit, firm) | |
| untiring(adjective, moving, lively, active) | |
| unvarying(calm, solid, steady, substantial) | |
| well-founded(calm, sound, solid, heavy) | |
| withstanding(adjective, sturdy) | |
| zealous(adjective, clear, severe, smart) | |
| Trojan(bold, resolute, spirited, brave) | |
| able(sound, fit, heavy, healthy) | |
| adventuresome(noble, bold, spirited, brave) | |
| adventurous(noble, bold, spirited, brave) | |
| anchored(calm, solid, steady, substantial) | |
| animated(adjective, moving, energetic, lively) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |