# quinquagenarian

> English word · Noun · IPA /ˌkwɪŋkwəd͡ʒəˈnɛɹiən/

## Definitions
1. Synonym of pentecoster: an officer who commands 50 men.
2. Synonym of fiftysomething: a person between 50 and 59 years old.

## Etymology
From Latin quinquāgēnārius (“containing 50”) + -an, either directly or via French quinquagénaire, from Latin quīnquāgēnus (“50 each”) + -ārius (“-ary”), from quīnquāgintā (“five tens, fifty”). Cognate with quinquagenary.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/quinquagenarian