To make defective; to do injury to,
esp. by cutting off or defacing a part; to impair; to disfigure; to deface.
“I pray you
mar no more trees with wiring love songs in their barks.”
— Shak.
“But mirth is
marred, and the good cheer is lost.”
— Dryden.
“Ire, envy, and despair
Which
marred all his borrowed visage.”
— Milton.