Mār1, v. t.
v. t. [imp. & p. p. MARRED; p. pr. & vb. n. MARRING.] [A-S. merran, mirran, myrran, mearrin, to obstruct, impede, dissipate; O. Sax. merrian, O. Fries. meria, O. H. Ger. marrjan, marrēn, M. H. Ger. merren, Icel. meria, Goth. marzjan, D. marren, merren, meeren; whence L. Lat. marrire, O. Fr. & Pr. marrir, esmarrir, It. smarrire, Sp. marrar.]
Sense 1. To injure by cutting off a part, or by wounding and making defective; to do injury to; to damage; to hurt; to harm; to impair; to spoil.
Brewers mar their malt with water. Shak.
I pray you mar no more trees by writing songs in their barks. Shak.
But mirth is marred, and the good cheer is lost. Dryden.
Sense 2. To impair the good looks of; to injure in aspect; to disfigure.
Ire, envy, and despair Marred all his borrowed visage. Milton.