quinquagenarian

/ˌkwɪŋkwəd͡ʒɪˈnɛəɹɪən/US/ˌkwɪŋkwəd͡ʒəˈnɛɹiən/

quinquagenarian noun: synonym of pentecoster: an officer who commands 50 men.

Noun

quinquagenarian (plural quinquagenarians)

(obsolete, rare) Synonym of pentecoster: an officer who commands 50 men.

Synonyms:

pentecoster
Synonym of fiftysomething: a person between 50 and 59 years old.

Synonyms:

fiftysomething

Adjective

quinquagenarian (not comparable)

(obsolete, rare) Of or related to command over 50 men.
Of or related to fiftysomethings.

Synonyms of quinquagenarian

Forms of quinquagenarian

plural	quinquagenarians

Origin of quinquagenarian

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.

Questions about quinquagenarian

What does quinquagenarian mean?: Quinquagenarian means synonym of pentecoster: an officer who commands 50 men.
What part of speech is quinquagenarian?: Quinquagenarian can be a noun or an adjective.
How do you pronounce quinquagenarian?: Quinquagenarian is pronounced /ˌkwɪŋkwəd͡ʒəˈnɛɹiən/ (US).
What is the plural of quinquagenarian?: The plural of quinquagenarian is quinquagenarians.

Words near quinquagenarian in the dictionary

Adapted from Wiktionary: quinquagenarian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-quinquagenarian.wav.

Cite this entry: “quinquagenarian.” Word.ws, https://word.ws/quinquagenarian. Based on Wiktionary, CC BY-SA 4.0.