Fanatic
[n] a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
[adj] marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
Related Information
Related Terms
accepter, addict, aficionado, alien, aliene, ass, bedlamite, believer, bigot, bitter-ender, borderline case, buff, bug, bullethead, case, catechumen, character, chauvinist, Christian, churchgoer, churchite, churchman, collector, communicant, convert, crac