[ ik-stree-miz-uh m ]
/ ɪkˈstri mɪz əm /


a tendency or disposition to go to extremes or an instance of going to extremes, especially in political matters: leftist extremism; the extremism of the Nazis.

Origin of extremism

First recorded in 1860–65; extreme + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for extremism

Word Origin and History for extremism



1848, from extreme + -ism.

I would remind you that extremism in the defense of liberty is no vice! And let me remind you also that moderation in the pursuit of justice is no virtue. [Barry Goldwater (1909-1998), acceptance speech as Republican candidate for President, 1963]
Online Etymology Dictionary, © 2010 Douglas Harper