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[kuh-doo-si-tee, -dyoo-]
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  1. the infirmity or weakness of old age; senility.
  2. frailty; transitoriness: the caducity of life.

Origin of caducity

1760–1770; < French caducité, equivalent to caduc caducous + -ité -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for caducity

Historical Examples

  • Magpies, crows, and jays, evince symptoms of caducity at the same age.

    A World of Wonders


  • The "caducity" and "persistency" of floral envelopes furnish some valuable characteristics for the distinction of species.

    Everyday Objects

    W. H. Davenport Adams

  • Pensive musings upon the caducity of the human race are, generally, rather feminine than masculine.

    Red as a Rose is She

    Rhoda Broughton

  • Let us deduct even from old age the years of infancy, the years of caducity, and the years of sleep,—alas!

    Curiosities of Medical Experience</p>

    J. G. (John Gideon) Millingen

British Dictionary definitions for caducity


  1. perishableness
  2. senility

Word Origin

C18: from French, from Latin cadūcus caducous
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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