superannuate Meaning, Definition & Usage

  1. verb retire and pension (someone) because of age or physical inability
  2. verb declare to be obsolete
  3. verb become obsolete
  4. verb retire or become ineligible because of old age or infirmity

WordNet

Su`per*an"nu*ate transitive verb
Etymology
Pref. super- + L. annus a year.
Wordforms
imperfect & past participle Superannuated ; present participle & verbal noun Superannuating
Definitions
  1. To impair or disquality on account of age or infirmity. Sir T. Browne.
  2. To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension.
Su`per*an"nu*ate intransitive verb
Definitions
  1. To last beyond the year; -- said of annual plants. Obs. Bacon.

Webster 1913