Superannuate Definition

so͝opər-ănyo͝o-āt
superannuated, superannuates, superannuating
verb
To set aside as, or become, old-fashioned or obsolete.
Webster's New World
To retire from service, esp. with a pension, because of old age or infirmity.
Webster's New World

Origin of Superannuate

  • Back-formation from superannuated; Latin super "over" + annus "year"

    From Wiktionary

  • Back-formation from superannuated

    From American Heritage Dictionary of the English Language, 5th Edition

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