Millie

American

[mil-ee] / ˈmɪl i /

noun

a female given name, form of Millicent or Mildred.

millie British

/ ˈmɪlɪ /

noun

informal a young working-class woman who dresses in casual sports clothes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of millie

perhaps from mill worker

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Millie

Millie Bobby Brown, who also appeared in “Godzilla vs. Kong,” was among those who shared tributes to Hottle following the news of her death.

From Los Angeles Times ● Jul. 21, 2026

Millie, 11, & Benny, 11, described The Hay Wain as "fascinating"

From BBC ● Jul. 11, 2026

Millie Bobby Brown, 22, is a British actress known for TV’s “Stranger Things” and the films “Damsel,” “The Electric State” and the “Enola Holmes” franchise.

From The Wall Street Journal ● Jun. 30, 2026

"Enola is high maintenance and sometimes I go home and I'm like, 'Why does the bed look like that?' Then I'm like, Millie, chill, you do not need to speak like that."

From BBC ● Jun. 27, 2026

Millie pats Amanda on the back as she reaches down under her seat for a duffel bag.

From "Dumplin'" by Julie Murphy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023