1. (v. t.) To cause to retire from service on a pension on account of old age or infirmity\.

2. (v. t.) To impair or disqualify on account of age or infirmity.

3. (v. i.) To last beyond the year; -- said of annual plants.

abdicate age antiquate be pensioned be superannuated be superseded become extinct become obsolete boot bounce break bump bust can cashier date deconsecrate defrock degrade demit demote deplume depose deprive dethrone disbar discharge discrown disemploy disenthrone dismiss displace displume drum out excommunicate expel fade fall into disuse fire fossilize furlough fust give the ax give the gate give up go out grow old junk kick kick upstairs lay off leave let go let out liquidate lose currency make redundant molder obsolesce obsolete oust outdate overthrow pass away pension pension off perish purge quit read out of release relinquish remove remove from office renounce the throne replace resign retire retire from office rust sack scrap separate forcibly stand aside stand down step aside strip strip of office strip of rank surplus suspend turn off turn out unchurch unfrock unsaddle unseat unthrone vacate withdraw from