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.
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
Katie McDonough
: a person born in the 1980s or 1990s
—usually plural
Examples of millennial in a Sentence
Recent Examples on the Web
Jocelyn Silver, Vogue, 31 Dec. 2025
The Sabrina the Teenage Witch star and millennial icon recently reflected on the highs and lows of her career — and one moment that encapsulated them both.
—Ryan Coleman, Entertainment Weekly, 31 Dec. 2025
Grace Perry, Outside, 1 Jan. 2026
According to the report, Gen Z and millennials choose brands that reflect their identity, with 70 percent of people saying emotional engagement drives loyalty.
—Michele Laufik, Martha Stewart, 31 Dec. 2025
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Adjective
According to my TikTok algorithm, millennial optimism is in the air, personified by Mamdani, his mega-watt smile, and his dream of making the city a more affordable place to live.
—Jocelyn Silver, Vogue, 31 Dec. 2025
The Sabrina the Teenage Witch star and millennial icon recently reflected on the highs and lows of her career — and one moment that encapsulated them both.
—Ryan Coleman, Entertainment Weekly, 31 Dec. 2025
Noun
It’s most commonly found in millennials, who are equally famous for a) partaking in co-ed sports leagues and b) batting away the creeping tendrils of mortality at every turn.
—Grace Perry, Outside, 1 Jan. 2026
According to the report, Gen Z and millennials choose brands that reflect their identity, with 70 percent of people saying emotional engagement drives loyalty.
—Michele Laufik, Martha Stewart, 31 Dec. 2025
See All Example Sentences for millennial
Cite this Entry
“Millennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millennial. Accessed 2 Jan. 2026.
Copy CitationKids 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
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