190 entries under tough topic. ×
| indomitable(adjective, strong, hard, determined) | |
| intense(adjective, strong, harsh, energetic) | |
| irksome(adjective, rough, difficult, heavy) | |
| labored(adjective, hard, rough, difficult) | |
| live(strong, fit, healthy, well) | |
| lively(adjective, strong, moving, energetic) | |
| merciless(adjective, rough, difficult, unpleasant) | |
| mettlesome(adjective, strong, intense, energetic) | |
| obdurate(adjective, strong, hard, harsh) | |
| peppy(adjective, strong, energetic, powerful) | |
| persuasive(adjective, strong, energetic, powerful) | |
| powerhouse(strong, fit, solid, healthy) | |
| prospering(strong, fit, healthy, well) | |
| prosperous(strong, fit, healthy, well) | |
| relentless(adjective, strong, hard, severe) | |
| roaring(strong, fit, healthy, well) | |
| spanking(adjective, strong, energetic, powerful) | |
| spirited(adjective, strong, energetic, powerful) | |
| steamroller(adjective, strong, energetic, powerful) | |
| strong as an ox(expression, adjective, idiom, strong) |
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| APA | Smart Define. (2015). rugged thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, rugged thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>. |
| MLA | Smart Define. "rugged thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms> |