The phrase "mythical proportions" means something that is incredibly large, legendary, or extravagant, just like the stories or myths that people tell. Full definition
Even with few human studies, this hasn't stopped IF from reaching cult - like status and mythical proportions in certain Internet neighborhoods. (lluniversity.com)
Industry experts have tossed the «cash on the sidelines» phrase about so often during the last few years that the supposed mountain of money has taken on almost mythical proportions. (nreionline.com)
Sunward Games invites you to embark on a journey of mythical proportions in the brand - new Endless Fables series! (bigfishgames.com)