Meanings
plural nonagenarians
- Synonym of ninetysomething: a person between 90 and 99 years old.
Synonyms: ninetysomething
- not comparableOf or related to ninetysomethings.
"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."
1954, Alben W. Barkley, editor, That Reminds Me, Garden City, NY: Doubleday & Company, →LCCN, →OCLC, →OL, page 17
Synonyms & antonyms
nounSynonym of ninetysomething: a person between 90 and 99 years old.
More synonyms by meaning
adjectivebeing from 90 to 99 years old
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Frenchnonagénaire
- Latinnōnāgēnārius“containing ninety”
- Englishnonagenarian
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”).
Full word history & related roots →Translations
Hungarian kilencvenes (éveiben járó), kilencvenvalahány éves
- kilencvenes (éveiben járó)related to ninetysomething year olds
- kilencvenvalahány évesrelated to ninetysomething year olds
- kilencvenedik születésnapját betöltöttrelated to ninetysomething year olds
Icelandic níræður
- níræðurrelated to ninetysomething year olds
Cite this entry
nonagenarian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nonagenarian
“nonagenarian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonagenarian. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “nonagenarian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nonagenarian.
Source: nonagenarian on Wiktionary, CC BY-SA 4.0.