4
busy(adjective, moving, keen, energetic, lively)
4
buxom
4
cheerful(adjective, bright, energetic, enthusiastic, excited)
4
clear(adjective, good, pleasant, keen, sharp)
4
cogent(adjective, strong, energetic, violent, powerful)
4
cordial(adjective, enthusiastic, deep, sincere, earnest)
4
diligent(adjective, keen, energetic, lively, determined)
4
emotional(adjective, enthusiastic, lively, hot, deep)
4
fast
4
fierce(adjective, intense, passionate, violent, fervent)
4
fine(adjective, person, strong, great, sound)
4
full(adjective, enthusiastic, sincere, wholehearted, emphatic)
4
good(adjective, clear, sound, pleasant, fit)
4
gutsy(adjective, strong, energetic, powerful, determined)
4
hard-hitting(adjective, strong)
4
harsh(adjective, severe, intense, lively, stringent)
4
healthful(health, strong, tough, fit, fresh)
4
heated(adjective, intense, passionate, violent, enthusiastic)
4
high-powered(adjective, strong, moving, energetic, lively)
4
hot(adjective, harsh, intense, energetic, passionate)
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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>