143 entries under vigorous topic. ×

5
cogent(adjective, strong, energetic, violent, powerful)
5
dashing(adjective, strong, tough, keen, intense)
5
forcible(adjective, strong, tough, keen, intense)
5
full of pep(expression, adjective, idiom, strong, energetic)
5
hearty(adjective, strong, tough, energetic, powerful)
5
indefatigable(adjective, strong, moving, lively, active)
5
moving(adjective, strong, great, powerful, active)
5
vehement(adjective, strong, energetic, violent, powerful)
5
zestful(adjective, keen, energetic, lively, active)
4
animate(adjective, energetic, lively, active)
4
bustling(adjective, keen, intense, energetic, lively)
4
efficient(adjective, strong, tough, energetic, powerful)
4
influential(adjective, strong, great, energetic, powerful)
4
keen(adjective, severe, sharp, intense, energetic)
4
ready(adjective, tough, keen, intense, energetic)
4
red-blooded(adjective, strong, tough, energetic, powerful)
4
snappy(adjective, action, strong, tough, informal)
4
unflagging(adjective, strong, moving, lively, active)
3
ardent(adjective, energetic, lively, active)
3
buoyant(adjective, energetic, lively, active)
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APASmart Define. (2016). dynamic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dynamic/thesaurus/synonyms
ChicagoSmart Define. 2016. "dynamic thesaurus" https://smartdefine.org/dynamic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, dynamic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dynamic/thesaurus/synonyms>.
MLASmart Define. "dynamic thesaurus" 14 March 2016. Web. 23 September 2026. <https://smartdefine.org/dynamic/thesaurus/synonyms>