millennial

1 of 2

adjective

mil·​len·​ni·​al mə-ˈle-nē-əl 

1

: of or relating to a millennium

This geopolitical specification of the millennium—this identification of the New Jerusalem with a particular place and people—was rare, even in a time of millennial fervor.

—Arthur M. Schlesinger, Jr.

2

: of, relating to , or belonging to the generation of people born in the 1980s or 1990s : of or relating to millennials

More than 60% of millennial voters support the birth control mandate.

—Katie McDonough

millennial

2 of 2

noun

: a person born in the 1980s or 1990s

—usually plural

Examples of millennial in a Sentence

Recent Examples on the Web

Adjective

In one reading, Louise’s terrorist arc is a refreshing subversion of the political correctness of Cash’s millennial forebears, the Patricia Lockwoods and Sally Rooneys and Sheila Hetis of the world, who might never dream of straying from their lane of lived experience. —Malavika Kannan, Vulture, 3 Mar. 2026

Meanwhile, just 25% of graduates in previous years—including millennial and Gen Xers—struggled to land work after college. —Emma Burleigh, Fortune, 1 Mar. 2026

Noun

Another is the rise in millennials, straddled by student loan debt and lower wages than their parents, moving out later or moving back home after school. —Beth Ann Mayer, Parents, 3 Mar. 2026

There’s also a romantic element involved between Emma and Liv’s brother Nate (Bryan Greenberg), but that wasn’t nearly as memorable as Emma’s sabotaged spray tan, which turned this millennial off the idea for years. —Emily Tannenbaum, Glamour, 27 Feb. 2026

Word History

First Known Use

Adjective

1660, in the meaning defined at sense 1

Noun

1991, in the meaning defined above

Phrases Containing millennial

• multi-millennial

Rhymes for millennial

• biennial
• centennial
• decennial
• perennial
• quadrennial
• quinquennial
• triennial
• bicentennial
• sesquicentennial

Kids Definition

millennial

1 of 2 adjective

mil·​len·​ni·​al mə-ˈle-nē-əl 

: of or relating to a millennium

millennial

2 of 2 noun

: a person born in the 1980s or 1990s

—usually used in plural