mar. 1  to damage or spoil to a certain extent; render less perfect, attractive, useful, etc.; impair or spoil: That billboard mars the view. 2  to disfigure, deface, or scar: The scratch marred the table.
Here are all the possible meanings and translations of the word betrayal. Princeton's WordNet(0.00 / 0 votes)Rate this definition: treachery, betrayal, treason, perfidy(noun) an act of deliberate betrayal. betrayal(noun) the quality of aiding an enemy.
Espionage and Treason are both terms that require a thorough understanding. One must understand the difference between these two terms as well. Espionage can be defined as the act or practice of spying or using spies to obtain secret information. On the other hand the betrayal can be defined as a breach of loyalty to his country or sovereign.