superannuate: Meaning and Definition of
su•per•an•nu•ate
Pronunciation: (s"pur-an'y-āt"), [key] — v., -at•ed, -at•ing.
—v.t. - to allow to retire from service or office on a pension because of age or infirmity.
- to set aside as out of date; remove as too old.
—v.i. - to be or become old, out of date, or retired.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.