101 entries under fervent topic. ×

39
intense(adjective, strong, great, severe, keen)
21
immoderate(adjective, severe, offensive, intense, unreasonable)
19
violent(adjective, strong, hard, tough, severe)
15
intemperate(adjective, severe, harsh, enthusiastic, cruel)
14
radical(adjective, concern, severe, violent, enthusiastic)
11
extremist(adjective, concern, enthusiastic, ill, sick)
11
rabid(adjective, concern, keen, passionate, violent)
10
fanatic(adjective, concern, keen, passionate, enthusiastic)
9
fanatical(adjective, strong, concern, keen, passionate)
9
keen(adjective, strong, great, sharp, intense)
7
burning(adjective, strong, keen, tender, intense)
7
furious(adjective, intense, enthusiastic, ill, sick)
7
revolutionary(adjective, concern, enthusiastic, ill, sick)
7
ultra(adjective, concern, big, enthusiastic, ill)
6
vehement(adjective, strong, keen, intense, passionate)
6
wild(adjective, severe, harsh, intense, violent)
5
passionate(adjective, strong, keen, intense, enthusiastic)
4
mad(adjective, violent, enthusiastic, strange, crazy)
3
ardent(adjective, strong, keen, intense, passionate)
3
bigoted(adjective, passionate, violent, enthusiastic, ill)
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APASmart Define. (2016). extreme thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extreme/thesaurus/synonyms
ChicagoSmart Define. 2016. "extreme thesaurus" https://smartdefine.org/extreme/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, extreme thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extreme/thesaurus/synonyms>.
MLASmart Define. "extreme thesaurus" 11 March 2016. Web. 26 September 2026. <https://smartdefine.org/extreme/thesaurus/synonyms>