Pronunciation: (mith),[key] —n. 1. a traditional or legendary story, usually concerning some being or hero or event, with or without a determinable basis of fact or a natural explanation, esp. one that is concerned with deities or demigods and explains some practice, rite, or phenomenon of nature.
2. stories or matter of this kind: realm of myth. 3. any invented story, idea, or concept: His account of the event is pure myth. 4. an imaginary or fictitious thing or person.
5. an unproved or false collective belief that is used to justify a social institution.