Synonyms of cooler

cooler

noun

ˈkü-lər 

as in penitentiary

a place of confinement for persons held in lawful custody

plea-bargained to avoid spending time in the cooler

Synonyms & Similar Words

• penitentiary
• jail
• prison
• jug
• brig
• pen
• coop
• big house
• lockup
• tank
• slammer
• cage
• calaboose
• bastille
• jailhouse
• hock
• pokey
• can
• hoosegow
• stockade
• bridewell
• guardroom
• clink
• joint
• stir
• cell
• bull pen
• slam
• dungeon
• nick
• tolbooth
• hold
• quod
• hole
• ward
• glasshouse
• keep
• concentration camp
• block
• prison camp
• labor camp
• guardhouse
• work camp
• stalag
• reform school
• hulk(s)
• gulag
• oubliette
• training school
• reformatory

Antonyms & Near Antonyms

• outside

Example Sentences

Recent Examples of cooler

There’s now a dual-stage air-to-water charge cooler that lowers temperatures from the variable-geometry turbo. — Caleb Jacobs, The Drive, 24 Sep. 2026

Backpack Cooler For a smaller crew, or a hike through the fall foliage, a backpack cooler is your best bet. — Red Fabbri, Travel + Leisure, 22 Sep. 2026

All anybody in New York can talk about this morning—from the water cooler to the group chats—is how abruptly summer ended and fall announced itself. — Hannah Jackson, Vogue, 21 Sep. 2026

By Tuesday, highs will be about 20 degrees cooler in cities like Evansville, with afternoon temperatures peaking in the upper 70s. — ABC News, 20 Sep. 2026