English Lexicon

Quinquagenarian

/ˌkwɪŋ.kwə.dʒəˈnɛə.ri.ən/
nounadjectiveCEFR C2 (Proficient)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A person who is between 50 and 59 years old.

    "The conference brought together leading quinquagenarians from the tech and finance industries."
As adjective
  1. 1

    Relating to or characteristic of a person aged between 50 and 59.

    "She celebrated her quinquagenarian milestone with a grand gathering of family and friends."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin 'quinquagenarius', meaning containing fifty, based on 'quinquagenta' (fifty) and the suffix '-arius'. It entered the English language in the mid-19th century to formally describe persons aged between fifty and fifty-nine years old.

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