83 entries under tough topic. ×

2
effective(adjective, strong, energetic, powerful)
2
enterprising(adjective, strong, intense, energetic)
2
exuberant(adjective, strong, happy, intense)
2
forcible(adjective, strong, energetic, powerful)
2
full-bodied(adjective, strong, fit, healthy)
2
robustious(strong, fit, healthy, well)
2
robustuous(strong, fit, healthy, well)
2
unflagging(adjective, strong, fit, lively)
1
athletic(adjective, strong, intense, energetic)
1
ball of fire(expression, adjective, idiom, strong)
1
boisterous(strong, fit, healthy, well)
1
booming(strong, fit, healthy, well)
1
built(strong, fit, healthy, well)
1
concentrated(strong, fit, healthy, well)
1
dashing(adjective, strong, energetic, powerful)
1
efficient(adjective, strong, intense, energetic)
1
fit as fiddle(expression, idiom, strong, fit)
1
flourishing(adjective, strong, intense, energetic)
1
hard-driving(adjective, strong, intense, energetic)
1
hefty(strong, fit, healthy, well)
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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>