Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

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  2. 1 :  to make, declare, or prove obsolete or out-of-date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


Seen and Heard

What made you want to look up superannuate? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

different from the usual or normal

Get Word of the Day daily email!