Doing evil to others; harmful; mischievous.

harmful or evil in intent or effect

Maleficent is a fictional character, the wicked dark fairy who appears in Walt Disney's 1959 adaptation of Sleeping Beauty. Maleficent is a Latin-derived word meaning harmful or evil. She was animated by Marc Davis, and voiced by Eleanor Audley (who also voiced Lady Tremaine, the stepmother of Cinderella).