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carpool

American

[kahr-pool] / ˈkɑrˌpul /

noun

Also carpooling, car pooling. an arrangement among a group of automobile owners by which each owner in turn drives the others or their children to and from a designated place.
those included in such an arrangement.

verb (used without object)

Also car-pool to form or participate in a carpool.

carpool British

/ ˈkɑːˌpuːl /

verb

another term for carshare

"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

Other Word Forms

carpooling

noun

Etymology

Origin of carpool

First recorded in 1940–45; car ¹ + pool ²

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.

A driver on California's notoriously congested highways put a life-sized dummy in the passenger seat to trick his way into the faster carpool lane, only to get caught for forgetting one detail -- the face.

From Barron's • May 13, 2026

Urging people to use public transport such as the metro, Modi suggested people carpool to conserve fuel.

From BBC • May 11, 2026

Despite the early resistance, carpool lanes became a feature on Southern California freeways, which now have between 700 and 800 miles of carpool lanes.

From Los Angeles Times • Mar. 26, 2026

Sure, I live in an area — just outside of New York City — where I can use public transportation, and I have tried to carpool with friends whenever possible.

From MarketWatch • Mar. 24, 2026

I couldn’t picture him loading up to carpool with the rest of the kids from school; he didn’t belong in the same world.

From "Twilight" by Stephenie Meyer

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