turncoat

Noun

A person who deserts their party or principles; a traitor.
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
A traitor; one who turns against a previous affiliation or allegiance.

Verb

To act as a turncoat; to betray

Examples

My Words With Friends opponent became a TURNCOAT, switching alliances mid-game with sneaky plays.

Origin / Etymology

A compound of turn + coat, reportedly derived from the sometime military practice of wearing uniform coats that were lined in material of a contrasting color, and which could be worn inside out to present a different appearance.

Synonyms

apostate, deserter, ratter, recreant, renegade, defector

Scrabble Score: 10

turncoat: valid Scrabble (US) TWL Word
turncoat: valid Scrabble Word in Merriam-Webster MW Dictionary
turncoat: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

turncoat: valid Words With Friends Word