4
striking(sharp, bright, intense, energetic, powerful)
4
thriving(adjective, strong, tough, fit, healthy)
4
wholesome(adjective, good, clear, strong, great)
4
wiry(adjective, strong, brawny, well-built, beefy)
3
ablaze
3
afire
3
arduous
3
assiduous
3
avid(adjective, keen, warm, energetic, passionate)
3
blossoming(adjective, person, well-being, good health)
3
bouncy(adjective, moving, bright, energetic, enthusiastic)
3
cheery(adjective, energetic, enthusiastic, lively, active)
3
commanding(adjective, strong, energetic, powerful, robust)
3
compelling(adjective, strong, energetic, violent, powerful)
3
competent(adjective, strong, bright, energetic, powerful)
3
courageous(adjective, energetic, determined, noble, bold)
3
daring(adjective, keen, energetic, lively, noble)
3
distinct(adjective, sharp, bright, intense, energetic)
3
doughty
3
drastic(adjective, severe, violent, aggressive, compulsory)
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APASmart Define. (2016). vigorous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vigorous/thesaurus/synonyms
ChicagoSmart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, vigorous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vigorous/thesaurus/synonyms>.
MLASmart Define. "vigorous thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/vigorous/thesaurus/synonyms>