mythicalPronunciation: /ˈmɪθɪkəl/Translate mythical | into German | into Italian Definition of mythical adjective occurring in or characteristic of myths or folk tales:one of Denmark’s greatest mythical heroes idealized, especially with reference to the past:a mythical age of contentment and social order fictitious:a mythical customer whose name appears in brochures promoting the bank’s servicesDerivatives mythically adverb mythical in other Oxford dictionaries Definition of mythical in the US English dictionary