152 entries under vigorous topic. ×

3
bold(adjective, keen, intense, energetic, passionate)
3
ebullient(adjective, strong, keen, warm, intense)
3
emphatic(adjective, intense, passionate, violent, enthusiastic)
3
genuine(adjective, person, warm, energetic, enthusiastic)
3
heartfelt(adjective, strong, keen, warm, difficult)
3
lusty(adjective, keen, intense, energetic, passionate)
3
peppy(adjective, energetic, determined, spirited)
3
potent(adjective, clear, tough, severe, intense)
3
purposeful(adjective, strong, keen, intense, energetic)
3
red-hot(adjective, feeling, keen, warm, passionate)
2
affable(adjective, person, warm, energetic, enthusiastic)
2
aggressive(adjective, clear, tough, severe, keen)
2
cheery(adjective, person, warm, energetic, enthusiastic)
2
daring(adjective, keen, intense, energetic, lively)
2
deep-felt(adjective, person, warm, energetic, enthusiastic)
2
deepest(adjective, person, warm, energetic, enthusiastic)
2
effusive(adjective, person, warm, energetic, enthusiastic)
2
fireball(adjective, keen, intense, energetic, passionate)
2
forcible(adjective, strong, keen, intense, energetic)
2
frank(adjective, person, warm, energetic, enthusiastic)
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APASmart Define. (2016). eager thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/eager/thesaurus/synonyms
ChicagoSmart Define. 2016. "eager thesaurus" https://smartdefine.org/eager/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, eager thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/eager/thesaurus/synonyms>.
MLASmart Define. "eager thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/eager/thesaurus/synonyms>