A person, especially a woman, claiming or popularly believed to possess magical powers and practice sorcery. A believer or follower of Wicca; a Wiccan. Offensive An old woman considered to be ugly or frightening. A woman considered to be spiteful or overbearing. Informal A woman or girl considered to be charming or fascinating. One particularly skilled or competent at one's craft:"A witch of a writer,[she] is capable of developing an intensity that verges on ferocity"(Peter S. Prescott). To work or cast a spell on; bewitch. To cause, bring, or effect by witchcraft.