slumber party

American  

[sluhm-ber pahr-tee] / ˈslʌm bər ˌpɑr ti /

noun

1. a social gathering typically of teenagers held at the home of one of them for the purpose of sleeping there overnight.

---

slumber party British  

noun

1. a party attended by girls who dress in night clothes and pass the night eating and talking

---

Etymology

Origin of slumber party

First recorded in 1900–05

Example Sentences

When Mary Harris got Tim Mak on the phone, he was getting ready to have something of a slumber party.

From Slate • Aug. 19, 2025

And then root for her in the next — like when she came to the defense of her friends at a slumber party after Kelly’s cool but mean friend Amanda tried to belittle them.

From Los Angeles Times • Jul. 14, 2024

That night, she and two friends held a slumber party and her mother slept in a nearby room.

From Seattle Times • May 30, 2024

The whole thing has a harmless, earnest feeling, like a VHS tape from some long-lost slumber party — except you can't shake the sense that they'd shot the clip in hopes of becoming influencers themselves.

From Salon • Apr. 16, 2023

"Do you think we could have another slumber party, and I could stay all night with your friends?"

From "You Bring the Distant Near" by Mitali Perkins