83 entries under tough topic. ×

6
strenuous(adjective, strong, intense, energetic)
5
bouncing(adjective, good, clear, strong)
5
fit(adjective, strong, complete, solid)
5
healthy(adjective, good, clear, strong, complete)
5
hearty(adjective, strong, sound, complete)
5
peppy(adjective, strong, rough, energetic)
5
sinewy(adjective, strong, fit, healthy)
5
stalwart(adjective, strong, fit, lively)
5
stout(adjective, strong, fit, vigorous)
3
able-bodied(adjective, strong, fit, healthy)
3
driving(adjective, strong, energetic, powerful)
3
husky(adjective, strong, fit, healthy)
3
indefatigable(adjective, strong, fit, lively)
3
mettlesome(adjective, strong, intense, energetic)
3
muscular(adjective, strong, fit, healthy)
3
rugged(adjective, strong, intense, energetic)
3
snappy(adjective, strong, rough, energetic)
3
sound(adjective, strong, complete, intense)
3
spanking(adjective, strong, pleasant, energetic)
3
strapping(adjective, strong, fit, intense)
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APASmart Define. (2015). vital thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 30 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>