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superannuate

play
verb su·per·an·nu·ate \ˌsü-pər-ˈan-yə-ˌwāt\

Definition of superannuate

superannuated

superannuating

  1. transitive verb
  2. 1 :  to make, declare, or prove obsolete or out-of-date

  3. 2 :  to retire and pension because of age or infirmity

  4. intransitive verb
  5. 1 :  to become retired

  6. 2 :  to become antiquated

superannuation

play \-ˌan-yə-ˈwā-shən\ noun


Origin and Etymology of superannuate

back-formation from superannuated


First Known Use: circa 1633


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