95 entries under zealous topic. ×

3
virulent(adjective, enthusiastic, ill, sick, fervent)
2
fervent(adjective, strong, keen, intense, passionate)
2
impassioned(adjective, strong, keen, intense, passionate)
2
nutty(adjective, enthusiastic, ill, sick, fervent)
2
overenthusiastic(adjective, passionate, violent, enthusiastic, fervent)
2
prejudiced(adjective, passionate, violent, enthusiastic, fervent)
2
ultraist(adjective, enthusiastic, ill, sick, fervent)
1
biased(adjective, passionate, violent, enthusiastic, fervent)
1
bitten(adjective, enthusiastic, ill, sick, fervent)
1
bugged(adjective, passionate, violent, enthusiastic, fervent)
1
contumacious(adjective, passionate, violent, enthusiastic, fervent)
1
corybantic(adjective, enthusiastic, ill, sick, fervent)
1
credulous(adjective, passionate, violent, enthusiastic, fervent)
1
devoted(adjective, strong, keen, intense, passionate)
1
dogmatic(adjective, passionate, violent, enthusiastic, fervent)
1
domineering(adjective, harsh, passionate, violent, cruel)
1
downright(adjective, utter, serious, absolute, radical)
1
enthusiastic(adjective, strong, keen, intense, passionate)
1
erratic(adjective, violent, strange, crazy, fervent)
1
feverish(adjective, passionate, violent, enthusiastic, fervent)
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APASmart Define. (2016). extreme thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extreme/thesaurus/synonyms
ChicagoSmart Define. 2016. "extreme thesaurus" https://smartdefine.org/extreme/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, extreme thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extreme/thesaurus/synonyms>.
MLASmart Define. "extreme thesaurus" 11 March 2016. Web. 28 September 2026. <https://smartdefine.org/extreme/thesaurus/synonyms>