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.
1. deception. 1. Trick, artifice, ruse, stratagem, wile are terms for crafty or cunning devices that are intended to deceive. Trick, the general term, refers usually to an underhanded act designed to cheat someone, but it sometimes refers merely to a pleasurable deceiving of the senses: to win by a trick.