reveal unintentionally; Her smile betrayed her true feelings

[ Syn: bewray ]

deliver to an enemy by treachery; Judas sold Jesus; The spy betrayed his country

[ Syn: sell ]

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

[ Syn: fail ]

be sexually unfaithful to ones partner in marriage; She cheats on her husband; Might her husband be wandering?

[ Syn: cheat on , cheat , cuckold , wander ]

give away information about somebody; He told on his classmate who had cheated on the exam

[ Syn: denounce , tell on , give away , rat , grass , shit , shop , snitch , stag ]

cause someone to believe an untruth; The insurance company deceived me when they told me they were covering my house

[ Syn: deceive , lead astray ]