/ ˈmɪθɪk; NAmE / adjective
1.
= mythical (1,2)
2.
(also myth·ic·al ) that has become very famous, like sb/sth in a myth
SYN legendary :
Scott of the Antarctic was a national hero of mythic proportions.
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WORD ORIGIN
mid 17th cent.: via late Latin from Greek muthikos , from muthos myth.