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• locker room
  locker room

  noun

  a room containing lockers, as in a gymnasium, factory, or school, for changing clothes and for the storage and safekeeping of personal belongings.
• locker-room
  locker-room

  adjective

  of, characteristic of, or suitable to conversation in a locker room; earthy or sexually explicit.

locker room

¹ American  

noun

locker rooms plural

1. a room containing lockers, as in a gymnasium, factory, or school, for changing clothes and for the storage and safekeeping of personal belongings.

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locker-room ² American  

[lok-er-room, -room] / ˈlɒk ərˌrum, -ˌrʊm /

adjective

1. of, characteristic of, or suitable to conversation in a locker room; earthy or sexually explicit.

   locker-room humor.

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Other Word Forms

Noun Inflected Forms

• locker rooms
  plural

Etymology

Origin of locker room¹

First recorded in 1890–95

Origin of locker-room²

First recorded in 1945–50

Example Sentences

"We use as little as possible," she said, standing at the locker room of a local sports field, which was turned into a temporary showering facility.

From Barron's • Jun. 30, 2026

I'm always really surprised whenever I go to the locker room, I get a lot of questions about it.

From BBC • Jun. 29, 2026

The recordings came to light last July when a California state officer discovered a USB camera inside the men’s employee locker room and notified the California Highway Patrol, which launched a probe, according to prosecutors.

From Los Angeles Times • Jun. 24, 2026

Iran’s players strode out together from the Los Angeles Chargers’ locker room and made their way to a bus to LAX.

From The Wall Street Journal • Jun. 22, 2026

Grace ran out of the gym and into the girls’ locker room.

From "The Smartest Kid in the Universe" by Chris Grabenstein