extremism
noun
[ ɪkˈstriːmɪz(ə)m ]
• the holding of extreme political or religious views; fanaticism.
• "the dangers of religious extremism"
Similar:
fanaticism,
radicalism,
zealotry,
zeal,
fundamentalism,
dogmatism,
bigotry,
militancy,
activism,
sectarianism,
chauvinism,
partisanship,
