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Dictionary definition for: Betray

1. (v) reveal unintentionally; "Her smile betrayed her true feelings"

2. (v) deliver to an enemy by treachery; "Judas sold Jesus" "The spy betrayed his country"

3. (v) 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. (v) be sexually unfaithful to one''s partner in marriage; "She cheats on her husband" "Might her husband be wandering?"

5. (v) give away information about somebody; "He told on his classmate who had cheated on the exam"

6. (v) cause someone to believe an untruth; "The insurance company deceived me when they told me they were covering my house"

WordNet 2.1 Copyright Princeton University. All rights reserved.