廃れる

to go out of use; to become obsolete; to die out; to go out of fashion

Meaning

  1. v1vi
    to go out of use; to become obsolete; to die out; to go out of fashion; to go out of style
  2. v1vi
    to decline (e.g. of morals); to be lost; to go into decline (of a town, business, etc.)