[ 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. 2020

Examples from the Web for extremism