betray meaning, definition, what is betray: to be disloyal to someone who trusts you...: Learn more. Definition of betray written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. betrayal definition in English dictionary, betrayal meaning, synonyms, see also 'betray',betrayer',betrothal',beta'. trays 1. a. to show (something, such as a … ‘Herod's face betrayed his shock and anger as he scooted his large body off his throne.’ ‘Jake's dark eyes betrayed that he was in a state of worried shock in itself, but it seemed to vanish when Vivian's blessed lips spread into a infinitely joyful smile.’ ‘Her pale face betrayed the … 3 betray something to ignore your principles or beliefs in order to achieve something or gain an advantage for yourself He has been accused of betraying his former socialist ideals. To give aid or information to an enemy of; commit treason against: betray one's country. or from Merriam-Webster. Translate Betray. See 5 authoritative translations of Betray in Spanish with example sentences, conjugations and audio pronunciations. betray in English translation and definition "betray", Dictionary English-English online. Find more ways to say betray, along with related words, antonyms and example phrases at, the world's most trusted free thesaurus. It's not an idiom, it's simply one of the established meanings of the word "betray". betray Definitions. To violate the confidence of, by disclosing a secret, or that which one is bound in honor not to make known. When you betray someone or something, you provide information whether you mean to do it or not, like the loud growling of your stomach that betrays your hunger … betray - Meaning in Zulu, what is meaning of common in Zulu dictionary, audio pronunciation, synonyms and definitions of common in Zulu and English. Betrayal definition is - the act of betraying someone or something or the fact of being betrayed : violation of a person's trust or confidence, of a moral standard, etc.. How to use betrayal in a sentence. Enrich your vocabulary with the English Definition dictionary Another word for betray. As the OED has it one meaning of "betray" is: unintentionally reveal; be evidence of: she drew a deep breath that betrayed her indignation.