Answer: blacked

AnswerCrossword Clue
blackedBLACK, to blacken (to defame (to destroy the reputation of))
blackedMake black, esp. by the application of black polish
blackedMake (one's face, hands, and other visible parts of one's body) black with polish or makeup, so as not to be seen at night or, esp. formerly, to play the role of a black person in a musical show, play, or movie