132 entries under vigorous topic. ×

1
good(adjective, kind, tender, enthusiastic, sympathetic)
1
gung ho(expression, adjective, strong, keen, warm)
1
interested(adjective, strong, keen, warm, intense)
1
jovial(adjective, kind, pleasant, friendly, warm)
1
lusty
1
neighborly(adjective, kind, pleasant, friendly, warm)
1
nutty(adjective, keen, warm, passionate, enthusiastic)
1
obsessed(adjective, keen, warm, passionate, enthusiastic)
1
peppy
1
prolific
1
pronounced(adjective, intense, energetic, passionate, violent)
1
puissant
1
rabid(adjective, keen, warm, intense, passionate)
1
responsive(adjective, kind, pleasant, keen, friendly)
1
solid(adjective, enthusiastic, sober, serious)
1
sound(adjective, calm, quiet, reasonable, sensible)
1
square(adjective, open, honest, enthusiastic, true)
1
unequivocal(adjective, total, energetic, passionate, enthusiastic)
1
unreserved(adjective, complete, warm, total, energetic)
1
virile
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APASmart Define. (2016). earnest thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/earnest/thesaurus/synonyms
ChicagoSmart Define. 2016. "earnest thesaurus" https://smartdefine.org/earnest/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, earnest thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/earnest/thesaurus/synonyms>.
MLASmart Define. "earnest thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/earnest/thesaurus/synonyms>