Main Entry: be·tray

Pronunciation: \bi-ˈtrā, bē-\

Function: verb

Etymology: Middle English, from be- + trayen to betray, from Anglo-French trahir, from Latin tradere — more at traitor

Date: 13th century

transitive verb 1 : to lead astray; especially : seduce
2 : to deliver to an enemy by treachery
3 : to fail or desert especially in time of need <betrayed his family>
4 a : to reveal unintentionally <betray one's true feelings> b : show, indicate c : to disclose in violation of confidence <betray a secret>intransitive verb : to prove false

synonyms see reveal

— be·tray·al \-ˈtrā(-ə)l\ noun

— be·tray·er \-ˈtrā-ər\ noun