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1

millennial

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adjective mil·len·ni·al \mə-ˈle-nē-əl\

Simple Definition of millennial

  • : relating to a millennium (a period of a thousand years)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of millennial

  1. :  of or relating to a millennium

1664

First Known Use of millennial

1664


2

millennial

noun mil·len·ni·al

Simple Definition of millennial

  • : a person who was born in the 1980s or 1990s

Source: Merriam-Webster's Learner's Dictionary

Full Definition of millennial

  1. :  a person born in the 1980s or 1990s —usually plural

1991

First Known Use of millennial

1991



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