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[soo-per-an-yoo-eyt] /ˌsu pərˈæn yuˌeɪt/
verb (used with object), superannuated, superannuating.
to allow to retire from service or office on a pension because of age or infirmity.
to set aside as out of date; remove as too old.
verb (used without object), superannuated, superannuating.
to be or become old, out of date, or retired.
Origin of superannuate
1640-50; back formation from superannuated Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for superannuate
Historical Examples
  • Nothing can superannuate its charm, nothing can quench its fascination.

    The Bridling of Pegasus Alfred Austin
  • A superannuate is one who has become impaired or disabled by length of years.

    Orthography Elmer W. Cavins
  • But no time can superannuate the subjects which Burns has sung; they are rooted in the primary strata, which are steadfast.

    Robert Burns Principal Shairp.
  • He was as ready to offer compensation as we ourselves are when we superannuate a clerk or suppress an office.

    Davenport Dunn, Volume 1 (of 2) Charles James Lever
British Dictionary definitions for superannuate


verb (transitive)
to pension off
to discard as obsolete or old-fashioned
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for superannuate

1640s, back-formation from superannuated. Related: Superannuating.

Online Etymology Dictionary, © 2010 Douglas Harper
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