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Definition of octogenarian

octogenarian

/ˌɑːk.tə.dʒəˈner.i.ən/
oc · to · ge · nar · i · an
Plural:octogenarians
•
Adjective:octogenarian
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octogenarian Lexical Profile

octogenarian Game Scores & Validity

• noun

1

A person who is from eighty to eighty-nine years old.

Example

"The lively octogenarian still tends to his vegetable garden every morning."

Synonyms
View all synonyms for octogenarian

• adjective

1

Between eighty and eighty-nine years old, or relating to people in their eighties.

Example

"The octogenarian author just published her fifteenth historical novel."

• Rhymes for octogenarian

• Nearby Words

octane
octave
octet
octogenarian
octopus
octoroon
octothorpe

Word Origin & Etymology

Borrowed in the early 19th century from Latin octogenarius ('containing eighty'), derived from the distributive numeral octogeni ('eighty each'), from octoginta ('eighty').

Cite this Entry

Wordmom. (2026). Definition of Octogenarian. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/octogenarian
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