One who does not conform to, or refuses to be bound by, accepted beliefs, customs, or practices.
A member of a Protestant church not observing the doctrines, usage, or polity of a national or established church, especially the Church of England.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.