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Definitions

betray

[bih-trey] / bɪˈtreɪ /
VERB
be disloyal
Synonyms
STRONGEST
abandon deceive forsake mislead seduce
STRONG
bluff cross delude desert finger jilt knife trick
WEAK
be unfaithful bite the hand that feeds you blow the whistle break faith break promise break trust break with commit treason deliver up double-cross go back on inform against inform on let down play Judas play false sell down the river sell out stab in the back take in turn in turn informer turn state's evidence walk out on
Antonyms
STRONG
aid assist help stay
WEAK
be faithful be loyal be quiet defend hide keep secret protect support
VERB
divulge, expose information
Synonyms
STRONGEST
reveal
STRONG
disclose evince inform manifest show sing snitch spill squeal stool tattle tell uncover unmask
WEAK
blurt out dime fink on give away lay bare let slip make known rat on tell on turn in
Antonyms
STRONG
conceal cover hide withhold
WEAK
be faithful be loyal be quiet defend keep secret protect support

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If Borgli’s film is to be believed, we only really begin to understand someone when they betray our trust.

From Salon • Apr. 3, 2026

Not a bad legacy, considering George Downing is summarized by his biographer thus: “Liar, blackmailer, seducer and thief, this double-dealing shapeshifter would betray both friends and principles without a moment’s misgiving.”

From The Wall Street Journal • Mar. 11, 2026

The element of the finale that struck the audience was more than likely the cliff-hanger of whether either traitor would betray each other to take home the £97,750 prize, or would they split it?

From BBC • Jan. 24, 2026

But even those betray an iota of human-made whimsy, a sparkle of vulnerability.

From Slate • Jan. 7, 2026

Maybe she wouldn’t directly betray my secret, but she was clearly not above trying to corner me into doing it.

From "Bye Forever, I Guess" by Jodi Meadows

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