• synonyms


[non-uh-juh-nair-ee-uh n, noh-nuh-]
  1. of the age of 90 years, or between 90 and 100 years old.
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  1. a nonagenarian person.
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Origin of nonagenarian

1795–1805; < Latin nōnāgēnāri(us) containing ninety, consisting of ninety (nōnāgēn(ī) ninety each + -ārius -ary) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nonagenarian

Historical Examples

  • A nonagenarian paralysed all down one side may be described as we have described Mr. Hawkins.

    When Ghost Meets Ghost

    William Frend De Morgan

  • I received a postal card the other day from Clay, who is now a nonagenarian, in his armed castle in Kentucky.

  • A nonagenarian he spoke, in his lucid moments, of the jurisdiction of the Marble Table.

    Repertory Of The Comedie Humaine, Complete, A -- Z

    Anatole Cerfberr and Jules Franois Christophe

  • Biographical sketches of every Tennessee nonagenarian and centenarian Negro.

  • In that year died the nonagenarian Antonius Stradivarius, the greatest violin-maker the world has ever seen.

    The Lost Stradivarius

    John Meade Falkner

British Dictionary definitions for nonagenarian


  1. a person who is from 90 to 99 years old
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  1. of, relating to, or denoting a nonagenarian
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Word Origin

C19: from Latin nōnāgēnārius, from nōnāginta ninety
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

Word Origin and History for nonagenarian


1776, coined in English with -an + Latin nonagenarius "containing ninety" (in Late Latin "someone ninety years old"), from nonagen "ninety each," related to nonaginta "the number ninety," from nonus "ninth" (see nones) + -genaria "ten times," from PIE *dkm-ta-, from *dekm- "ten" (see ten). As an adjective from 1893.

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Online Etymology Dictionary, © 2010 Douglas Harper