noun.
a person who holds extremeviews, especially one who advocates such views; a radical or fanatic
adjective.
holding extreme views, especially on a political subject
adjective.
of, or relating to extremism
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
(used of opinions and actions) far beyond the norm
noun.
a person who holds extreme views
Word Usage
"Barry Goldwater even embraced the title extremist ( "extremism in the defense of liberty is no vice"), George McGovern's anti-war crusade offered an unapologetically leftist platform, and Walter Mondale proudly promised in his convention speech that he would raise the nation's taxes."