/ ˈmɪθɪkl; NAmE / adjective [ usually before noun ]
1.
(also less frequent myth·ic ) existing only in ancient myths
SYN legendary :
mythical beasts / heroes
2.
(also less frequent myth·ic ) that does not exist or is not true
SYN fictitious :
the mythical 'rich uncle' that he boasts about
3.
= mythic (2)