A state or act of violating faith or allegiance; violation of a promise or vow, or of trust
Specifically, in warfare, an illegitimate act of deception, such as using symbols like the Red Cross or white flag in a false claim of surrender to gain proximity to an enemy for purposes of attack.
A state or act of deceit.
An act of treachery, betrayal of trust or confidence.
The crime of betraying one’s own country.