10
fanatic(noun, adjective, sympathetic, interested, prejudiced)
10
fanatical(adjective, excitability)
9
rabid(adjective, excitability)
3
enthusiastic(adjective, nervous, emotional, restless, volatile)
3
hasty(nervous, emotional, restless, volatile, fiery)
3
hot-headed(nervous, emotional, restless, volatile, fiery)
3
impassioned(adjective, excitability)
3
intolerant(nervous, emotional, restless, volatile, fiery)
3
tenacious(adjective, precise, thorough, meticulous)
2
zealous(adjective, sympathetic, interested, prejudiced, opinionated)
2
excitable(adjective, upset, nervous, sensitive, emotional)
2
extreme
2
fiery(adjective, nervous, emotional, restless, volatile)
2
furious
2
hysterical(nervous, emotional, restless, volatile, fiery)
2
ardent
2
bigoted(adjective, sympathetic, interested, prejudiced, opinionated)
2
fervent
2
feverish
2
opinionated(adjective, prejudiced, biased, one-sided, dictatorial)
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APASmart Define. (2015). overzealous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/overzealous/thesaurus/synonyms
ChicagoSmart Define. 2015. "overzealous thesaurus" https://smartdefine.org/overzealous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, overzealous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/overzealous/thesaurus/synonyms>.
MLASmart Define. "overzealous thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/overzealous/thesaurus/synonyms>