82 entries under tough topic. ×

6
strenuous(adjective, strong, energetic, powerful)
5
dashing(adjective, strong, moving, energetic)
4
driving(adjective, action, strong, bright)
4
forceful(adjective, strong, energetic, powerful)
4
robust(adjective, strong, fit, energetic)
4
zealous(adjective, strong, energetic, powerful)
2
athletic(adjective, strong, sharp, energetic)
2
forcible(adjective, strong, energetic, powerful)
2
indefatigable(adjective, strong, fit, lively)
2
intense(adjective, strong, energetic, powerful)
2
live(strong, fit, healthy, well)
2
red-blooded(adjective, strong, energetic, powerful)
2
rugged(adjective, strong, energetic, powerful)
2
seasoned(adjective, strong, sharp, fit)
2
take-charge(adjective, strong, energetic, powerful)
2
take-over(adjective, strong, energetic, powerful)
2
zappy(adjective, strong, pleasant, rough)
1
able-bodied(strong, fit, healthy, well)
1
ball of fire(expression, adjective, idiom, strong)
1
boisterous(adjective, strong, rough, happy)
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APASmart Define. (2016). zippy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/zippy/thesaurus/synonyms
ChicagoSmart Define. 2016. "zippy thesaurus" https://smartdefine.org/zippy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, zippy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/zippy/thesaurus/synonyms>.
MLASmart Define. "zippy thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/zippy/thesaurus/synonyms>