# septuagenarian

> English word · Noun · IPA /ˌsɛptəd͡ʒɪˈnɛɹiən/

## Definitions
1. Synonym of seventysomething: a person between 70 and 79 years old.

## Etymology
From Latin septuagenarius (“containing 70”) + -an (suffix forming adjectives and representative nouns), either directly or via French septuagénaire, from Latin septuagenus (“70 each”) + -arius (“-ary”), from Latin septuāginta (“seven tens, 70”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/septuagenarian