132 entries under tough topic. ×

1
built(strong, fit, healthy, well)
1
bushy-tailed(strong, fit, fresh, well)
1
capable(adjective, strong, direct, fit)
1
chipper(strong, fit, fresh, well)
1
concentrated(adjective, strong, hard, fit)
1
dashing(adjective, strong, intense, energetic)
1
driving(adjective, strong, energetic, powerful)
1
dynamic(adjective, strong, energetic, powerful)
1
enterprising(adjective, strong, intense, energetic)
1
exuberant(adjective, strong, intense, energetic)
1
fit as fiddle(expression, strong, fit, healthy)
1
full-bodied(strong, fit, healthy, well)
1
full of life(expression, strong, fit, fresh)
1
hard-driving(adjective, strong, intense, energetic)
1
hard as nails(expression, adjective, idiom, strong)
1
heavy-duty(adjective, strong, solid, heavy)
1
impervious(adjective, calm, strong, restrained)
1
in fine feather(expression, adjective, idiom, good, strong)
1
in good health(expression, adjective, idiom, strong)
1
lively(adjective, strong, fit, energetic)
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APASmart Define. (2016). sound thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sound/thesaurus/synonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>