Noun: betrayal bi'trey-ul
- Aiding an enemy against the interest of one's country
"His betrayal of state secrets was considered an act of treason"
- An act of deliberate betrayal
"Her betrayal of confidential information damaged the company";
- treachery, treason, perfidy
- The quality of being disloyal
"His betrayal of their friendship was unforgivable";
- disloyalty
Derived forms: betrayals
Type of: dishonesty, infidelity, knavery [archaic], roguishness, subversiveness, traitorousness, treason, unfaithfulness
Encyclopedia: Betrayal, Justice, Revenge