Birchite adjective 1noun 1forms 1 adjective1 •(US) Of or associated with the John Birch Society, its beliefs, or its practices.Walker, Pentagon investigators discovered, was a member of the John Birch Society and had distributed Birchite material to his troops. — 1995 noun1 •(US) A supporter of the John Birch Society.Across the political spectrum, meanwhile, Americans heaped ridicule upon the Birchites’ accusation of “subversion” in sex education. — 2009 formsBirchites
