witch

(noun) a female sorcerer or magician. Synonyms: enchantress.

(noun) a being (usually female) imagined to have special powers derived from the devil.

(noun) a believer in Wicca. Synonyms: Wiccan.

(noun) an ugly evil-looking old woman. Synonyms: hag, beldam, beldame, crone.

(verb) cast a spell over someone or something; put a hex on someone or something. Synonyms: hex, bewitch, glamour, enchant, jinx.