superannuated

adjective2

1. •
   Retired or discarded due to age.

   • And yet I remember that it was that absurd, emaciated, superannuated cab-horse which held my gaze. — 1913
2. •
   Obsolete, antiquated.

   • In Europe it’s too dreary—the sapience, the solemnity, the false respectability, the verbosity, the long disquisitions on superannuated subjects. — 1886