nonagenarian

noun

no·​na·​ge·​nar·​i·​an ˌnō-nə-jə-ˈner-ē-ən How to pronounce nonagenarian (audio)
ˌnä-
Synonyms of nonagenariannext
: a person whose age is in the nineties
nonagenarian adjective

Examples of nonagenarian in a Sentence

Recent Examples on the Web
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Scientists have reliable data for octogenarians and nonagenarians—one research project, the Harvard Study of Adult Development, has been running since 1938—and the lessons are clear enough. Dhruv Khullar, New Yorker, 29 June 2026 What science is learning from the muscles of Emma Mazzenga, the fastest female nonagenarian on Earth and holder of multiple sprinting world records. Gretchen Reynolds, Washington Post, 10 June 2026 The nonagenarian in a studio gridiron is fighting a physical battle. Nate Freeman, Vanity Fair, 21 May 2026 The nonagenarian's photo stirred up thousands of comments from fans who took the opportunity to praise her ageless appearance. Chanel Vargas, InStyle, 10 Apr. 2026 See All Example Sentences for nonagenarian

Word History

Etymology

Latin nonagenarius containing ninety, from nonageni ninety each, from nonaginta ninety, from nona- (akin to novem nine) + -ginta (akin to viginti twenty) — more at nine, vigesimal

First Known Use

1804, in the meaning defined above

Time Traveler
The first known use of nonagenarian was in 1804

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Cite this Entry

“Nonagenarian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonagenarian. Accessed 5 Jul. 2026.

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