172 entries under tough topic. ×

1
efficient(adjective, strong, intense, energetic)
1
expansive(adjective, strong, hard, flexible)
1
exuberant(adjective, strong, intense, energetic)
1
fiery(strong, bold, resolute, spirited)
1
fire-eating(strong, bold, spirited, brave)
1
fit as fiddle(expression, idiom, strong, fit)
1
fixed(adjective, strong, sound, solid)
1
full of life(expression, strong, fit, fresh)
1
hard-driving(adjective, strong, intense, energetic)
1
heavy-duty(adjective, strong, sound, solid)
1
impavid(strong, bold, resolute, spirited)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
in good health(expression, idiom, strong, right)
1
in good shape(expression, adjective, idiom, strong)
1
in the pink(expression, adjective, idiom, strong)
1
intense(adjective, strong, great, energetic)
1
live(strong, fit, healthy, well)
1
martial(strong, bold, resolute, spirited)
1
physically fit(expression, adjective, strong, fit)
1
powerhouse(strong, fit, powerful, healthy)
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APASmart Define. (2016). hardy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hardy/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardy thesaurus" https://smartdefine.org/hardy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, hardy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hardy/thesaurus/synonyms>.
MLASmart Define. "hardy thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/hardy/thesaurus/synonyms>