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Verb: superannuate  ,soo-pu(r)'a-nyoo,eyt
  1. Retire and pension (someone) because of age or physical inability
  2. Declare to be obsolete
  3. Become obsolete
  4. Retire or become ineligible because of old age or infirmity

Derived forms: superannuated, superannuates, superannuating

Type of: adjudge, change, declare, hold, retire

Encyclopedia: Superannuate