4
breathless(adjective, feeling, strong, keen, intense)
4
constant(adjective, kind, keen, passionate, enthusiastic)
4
effervescent(adjective, energetic, passionate, determined, bold)
4
fired(adjective, keen, passionate, enthusiastic, fervent)
4
firm(noun, adjective, resolute)
4
flushed(adjective, excited, agitated, restless, heated)
4
forceful(adjective, clear, strong, tough, severe)
4
forward(adjective, activity, keen, happy, agreeable)
4
frantic(adjective, strong, intense, passionate, violent)
4
frenzied(adjective, strong, difficult, intense, passionate)
4
gung-ho(adjective, keen, passionate, enthusiastic, lively)
4
gushing(adjective, feeling, warm, enthusiastic, vigorous)
4
hard(strong, powerful, penetrating)
4
impatient(adjective, strong, kind, keen, intense)
4
loving(adjective, kind, tender, sympathetic, true)
4
mettlesome(adjective, strong, tough, bright, energetic)
4
overzealous(adjective, sympathetic, interested, prejudiced, opinionated)
4
peppy(adjective, strong, tough, energetic, powerful)
4
persistent(adjective, resolute)
4
potent(adjective, clear, strong, tough, severe)
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APASmart Define. (2016). zealous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/zealous/thesaurus/synonyms
ChicagoSmart Define. 2016. "zealous thesaurus" https://smartdefine.org/zealous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, zealous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/zealous/thesaurus/synonyms>.
MLASmart Define. "zealous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/zealous/thesaurus/synonyms>