Noun:
1: mar, march the month following February and preceding April
2: mar, blemish, defect a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"
Verb:
1: spoil, impair, deflower, mar, vitiate make imperfect; "nothing marred her beauty"
2: mutilate, mar destroy or injure severely; "mutilated bodies"