Nonagenarian

//ˌnɑnəd͡ʒɪˈnɛriən// adj, noun

adj, noun ·Moderate ·College level

Definitions

Noun
  1. 1
    Synonym of ninetysomething: a person between 90 and 99 years old.
  2. 2
    someone whose age is in the nineties wordnet
Adjective
  1. 1
    Of or related to ninetysomethings. not-comparable

    ""But what’s that got to do with your health and longevity?" the neighbor inquired. "Why," said the nonagenarian, "I've spent most of my life in the open air.""

Adjective
  1. 1
    being from 90 to 99 years old wordnet

Synonyms

All synonyms
centenarianoctogenarianseptuagenariansexagenarianboxcarboxcars

Example

More examples

""But what’s that got to do with your health and longevity?" the neighbor inquired. "Why," said the nonagenarian, "I've spent most of my life in the open air.""

Etymology

From Latin nōnāgēnārius (“containing ninety”) + -an (suffix forming adjectives and representative nouns), either directly or via French nonagénaire, from nōnāgēnī (“ninety each”) + -ārius (“-ary”), from nōnāginta (“nine tens, ninety”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.