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carpool

American  
[kahr-pool] / ˈkɑrˌpul /

noun

  1. 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.

  2. those included in such an arrangement.


verb (used without object)

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

carpool British  
/ ˈkɑːˌpuːl /

verb

  1. 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

Derived Forms

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

Governments have urged people to carpool and curb the use of air-conditioning in a bid to conserve energy.

From BBC • Apr. 16, 2026

If you’re driving in, carpool and get there early.

From Los Angeles Times • Apr. 1, 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

Anna’s sitting on the ledge by the carpool circle, and Garrett’s gesturing emphatically to Morgan.

From "Leah on the Offbeat" by Becky Albertalli

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