betray

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Pronunciation[change]

  • (file)

Verb[change]

Plain form
betray

Third-person singular
betrays

Past tense
betrayed

Past participle
betrayed

Present participle
betraying

  1. To prove faithless or treacherous to another's trust; to be false to; to deceive; as, to betray a person or a cause.
    We were betrayed when he defected to the enemy.
    He betrayed the company when he sold its secrets to a competitor.