ex‧trem‧is‧m /ɪkˈstriːmɪzəm/ noun [uncountable]
[Word Family: noun: extreme, extremism, extremist, extremity; adjective: extreme, extremist; adverb: extremely]
opinions, ideas, and actions, especially political or religious ones, that most people think are unreasonable and unacceptable

[TahlilGaran] Dictionary of Contemporary English ▲