n. 25B6; verb
an ugly scar marred his features : SPOIL, impair, disfigure, detract from, blemish, scar; mutilate, deface, deform.
the celebrations were marred by violence : SPOIL, ruin, impair, damage, wreck; harm, hurt, blight, taint, tarnish, sully, stain, pollute; informal foul up; formal vitiate.
enhance.