190 entries under tough topic. ×

1
indomitable(adjective, strong, hard, determined)
1
intense(adjective, strong, harsh, energetic)
1
irksome(adjective, rough, difficult, heavy)
1
labored(adjective, hard, rough, difficult)
1
live(strong, fit, healthy, well)
1
lively(adjective, strong, moving, energetic)
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merciless(adjective, rough, difficult, unpleasant)
1
mettlesome(adjective, strong, intense, energetic)
1
obdurate(adjective, strong, hard, harsh)
1
peppy(adjective, strong, energetic, powerful)
1
persuasive(adjective, strong, energetic, powerful)
1
powerhouse(strong, fit, solid, healthy)
1
prospering(strong, fit, healthy, well)
1
prosperous(strong, fit, healthy, well)
1
relentless(adjective, strong, hard, severe)
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roaring(strong, fit, healthy, well)
1
spanking(adjective, strong, energetic, powerful)
1
spirited(adjective, strong, energetic, powerful)
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steamroller(adjective, strong, energetic, powerful)
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strong as an ox(expression, adjective, idiom, strong)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>