- any of certain women of antiquity reputed to possess powers of prophecy or divination.
- a female prophet or witch.
- a female given name.
- (in ancient Greece and Rome) any of a number of women believed to be oracles or prophetesses, one of the most famous being the sibyl of Cumae, who guided Aeneas through the underworld
- a witch, fortune-teller, or sorceress
