Quinquagenarian definition
A person 50 years old, or in his or her fifties.
noun
50 years old, or between the ages of 50 and 60
adjective
Of or characteristic of a person in his or her fifties.
adjective
A person of this age.
noun
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
Of or relating to a quinquagenarian.
adjective
Other Word Forms
Noun
Singular:
quinquagenarian
Plural:
quinquagenariansOrigin 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