silver fox noun5 •A melanistic red fox (Vulpes vulpes) with silver to black fur. •(informal) An attractive person who has graying hair.It’s more useful as a gender neutral term, saving the hassle of constant translation – Milf to Dilf, cougar to silver fox, mutton dressed up as lamb to beef dressed up as veal. — 2023 •(informal) An attractive man with graying hair. •(informal) An attractive woman with graying hair. •A domestic rabbit of a rare breed with silvery-black fur. formssilver foxes