Dictionary
ex•trem•ist
Pronunciation: (ik-strē'mist), [key]—
n.
1. a person who goes to extremes, esp. in political matters.
2. a supporter or advocate of extreme doctrines or practices.
—
adj.
belonging or pertaining to extremists.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.