Quinquagenarian definition

kwĭngkwə-jə-nârē-ən
A person 50 years old, or in his or her fifties.
noun
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50 years old, or between the ages of 50 and 60
adjective
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Of or characteristic of a person in his or her fifties.
adjective
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A person of this age.
noun
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One who is between the age of 50 and 59, inclusive.
noun
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Being between the age of 50 and 59, inclusive.
adjective
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Of or relating to a quinquagenarian.
adjective
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Other Word Forms

Noun

Singular:
quinquagenarian
Plural:
quinquagenarians

Origin of quinquagenarian

  • From Latin quīnquāgēnārius containing fifty from quīnquāgēnī fifty each from quīnquāgintā fifty penkwe in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin quinquagenarius (“containing fifty"), from quinquegeni (“fifty each"), from quinquaginta (“fifty") +"Ž -an

    From Wiktionary