95 entries under zealous topic. ×

9
uncommon(adjective, unusual, exceptional, special, valuable)
9
unusual(adjective, extraordinary, stupid, exceptional, special)
7
burning(adjective, strong, keen, tender, intense)
7
gross(adjective, hard, tough, harsh, offensive)
7
revolutionary(adjective, concern, enthusiastic, ill, sick)
7
ultra(adjective, concern, big, enthusiastic, ill)
6
strict(adjective, severe, harsh, cruel, brutal)
6
wild(adjective, severe, harsh, intense, violent)
5
egregious(adjective, bad, offensive, unusual, special)
5
nonsensical(adjective, strange, stupid, crazy, unreasonable)
5
passionate(adjective, strong, keen, intense, enthusiastic)
5
utter(adjective, great, complete, intense, full)
4
absolute(adjective, great, complete, perfect, intense)
4
improper(adjective, hard, tough, harsh, rude)
4
mad(adjective, violent, enthusiastic, strange, crazy)
4
sheer(adjective, utter, serious, absolute, chief)
3
bigoted(adjective, passionate, violent, enthusiastic, ill)
3
frenzied(adjective, passionate, violent, enthusiastic, ill)
3
imprudent(adjective, excessive, expensive, radical)
3
out-and-out(adjective, great, complete, intense, full)
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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>