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.
give away. betray, disclose, divulge, expose, grass (Brit. slang) grass up (slang) inform on, leak, let out, let slip, let the cat out of the bag (informal) put the finger on (informal) reveal, shop (slang, chiefly Brit.) uncover. give in.