myth·i·cal – [mith-i-kuhl]
1. pertaining to, of the nature of, or involving a myth.
2. dealt with in myth, as a prehistoric period.
3. dealing with myths, as writing.
4. existing only in myth, as a person.
5. without foundation in fact; imaginary; fictitious: The explanation was entirely mythical.
1670–80; < Late Latin mȳthicus < Greek mȳthikós of myths ( see myth, -ic) + -al1