95 entries under vigorous topic. ×

3
agitated(adjective, excited)
3
agog(adjective, strong, desire, keen, warm)
3
lusty(adjective, keen, intense, passionate, enthusiastic)
3
peppy(adjective, energetic, excited, lively, active)
3
potent(adjective, clear, moving, tough, severe)
2
dying to(expression, adjective, strong, keen, warm)
2
dynamic(adjective, energetic, lively, active)
2
ebullient(adjective, strong, keen, warm, intense)
2
forceful(adjective, clear, strong, tough, severe)
2
full-blooded
2
mettlesome
2
quick(adjective, energetic, lively, active)
2
sprightly(adjective, strong, intense, energetic, enthusiastic)
2
unqualified(adjective, complete, keen, warm, total)
2
vibrant(adjective, energetic, excited, lively, active)
2
vivacious(adjective, strong, intense, energetic, enthusiastic)
2
vivid(adjective, strong, intense, energetic, passionate)
2
zestful(adjective, energetic, excited, lively, active)
2
zippy(adjective, energetic, excited, lively, active)
1
brisk(adjective, energetic, lively, active)
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APASmart Define. (2015). fervent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fervent/thesaurus/synonyms
ChicagoSmart Define. 2015. "fervent thesaurus" https://smartdefine.org/fervent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fervent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fervent/thesaurus/synonyms>.
MLASmart Define. "fervent thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/fervent/thesaurus/synonyms>