Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “extremist”

extremist

noun [C]     /ɪkˈstriː.mɪst/
C2 someone who has beliefs that most people think are unreasonable and unacceptable: a group of extremists (= people with extreme opinions)Unsuitable and unacceptable extremist     adjective extremist tendenciesUnsuitable and unacceptable
(Definition of extremist noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of extremist

Definitions of “extremist” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More