be·tray /bɪˈtreɪ/
1. reveal unintentionally; "Her smile betrayed her true feelings"
2. deliver to an enemy by treachery; "Judas sold Jesus"; "The spy betrayed his country"
3. disappoint, prove undependable to; abandon, forsake; "His sense of smell failed him this time"; "His strength finally failed him"; "His children failed him in the crisis"
4. be sexually unfaithful to one's partner in marriage; "She cheats on her husband"; "Might her husband be wandering?"
synset: cheat_on, cheat, cuckold, betray, wander
5. give away information about somebody; "He told on his classmate who had cheated on the exam"
synset: denounce, tell_on, betray, give_away, rat, grass, shit, shop, snitch, stag
6. cause someone to believe an untruth; "The insurance company deceived me when they told me they were covering my house"
synset: deceive, betray, lead_astray
Princeton University "About WordNet." WordNet. Princeton University. 2010.
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