betray
(verb)
verb
1. reveal unintentionally
- Her smile betrayed her true feelings
Similar word(s): bewray
Definition categories: communication, break, disclose, discover, divulge, expose, reveal, uncover, unwrap
2. deliver to an enemy by treachery
- The spy betrayed his country
Similar word(s): sell
Definition categories: social, cozen, deceive, delude
3. disappoint, prove undependable to; abandon, forsake
Similar word(s): fail
Definition categories: emotion, disappoint
4. be sexually unfaithful to one's partner in marriage
Similar word(s): cheat, wander
Definition categories: social, cozen, deceive, delude
5. give away information about somebody
Similar word(s): denounce, grass, rat, shop, snitch, stag
Definition categories: communication, inform
6. cause someone to believe an untruth
Similar word(s): deceive
Definition categories: communication, misinform, mislead