turncoat

[ turn-koht ]
/ ˈtɜrnˌkoʊt /

noun

a person who changes to the opposite party or faction, reverses principles, etc.; renegade.

Origin of turncoat

First recorded in 1550–60; turn + coat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for turncoat

British Dictionary definitions for turncoat

turncoat

/ (ˈtɜːnˌkəʊt) /

noun

a person who deserts one cause or party for the opposite faction; renegade
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for turncoat

turncoat


n.

1550s, from turn (v.) + coat (n.). Originally one who tried to hide the badge of his party or leader. The expression to turn one's coat "change principles or party" is recorded from 1560s.

Online Etymology Dictionary, © 2010 Douglas Harper