betray

1. Reveal unintentionally (synset 200938362)
   "Her smile betrayed her true feelings"
   is a type of: break, bring out, disclose, discover, divulge, expose, give away, let on, let out, reveal, uncover, unwrap - make known to the public information that was previously known only to a few people or that was meant to be kept a secret
   same as: bewray
2. Deliver to an enemy by treachery (synset 202543073)
   "Judas sold Jesus"; "The spy betrayed his country"
   is a type of: cozen, deceive, delude, lead on - be false to; be dishonest with
   subtypes: double cross - betray by double-dealing
   same as: sell
   verb group: sell - give up for a price or reward
3. Disappoint, prove undependable to;
   Abandon, forsake (synset 201803246)
   "His sense of smell failed him this time"; "His strength finally failed him"; "His children failed him in the crisis"
   is a type of: disappoint, let down - fail to meet the hopes or expectations of
   same as: fail
4. Be sexually unfaithful to one's partner in marriage (synset 202582588)
   "She cheats on her husband"; "Might her husband be wandering?"
   is a type of: cozen, deceive, delude, lead on - be false to; be dishonest with
   subtypes:

   • two-time - carry on a romantic relationship with two people at the same time
   • fool around, play around - commit adultery
   same as: cheat, cheat on, cuckold, wander
5. Give away information about somebody (synset 200843665)
   "He told on his classmate who had cheated on the exam"
   is a type of: inform - impart knowledge of some fact, state of affairs, or event to
   subtypes: sell someone out - give information that compromises others
   same as: denounce, give away, grass, rat, shit, shop, snitch, stag, tell on
6. Cause someone to believe an untruth (synset 200856102)
   "The insurance company deceived me when they told me they were covering my house"
   is a type of: misinform, mislead - give false or misleading information to
   subtypes:

   • impersonate, personate, pose - pretend to be someone you are not; sometimes with fraudulent intentions
   • bamboozle, hoodwink, lead by the nose, play false, pull the wool over someone's eyes, snow - conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end
   • befool, cod, dupe, fool, gull, put on, put one across, put one over, slang, take in - fool or hoax
   same as: deceive, lead astray

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