intransitive verb-·at·ed, -·at·ing
- to set aside as, or become, old-fashioned or obsolete
- to retire from service, esp. with a pension, because of old age or infirmity
Origin of superannuateback-formation from superannuated
transitive verbsu·per·an·nu·at·ed, su·per·an·nu·at·ing, su·per·an·nu·ates
- To retire (someone) on a pension because of age or infirmity.
- To set aside or discard as old-fashioned or obsolete.
Origin of superannuateBack-formation from superannuated
(third-person singular simple present superannuates, present participle superannuating, simple past and past participle superannuated)
Back-formation from superannuated; Latin super "over" + annus "year"