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carpool

American  
[kahr-pool] / ˈkɑrˌpul /

noun

  • carpools
    plural
  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

Inflected Forms

Nouns

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.

See Examples For:

Motherhood used to be filled with transactional relationships—the neighborhood mom you would carpool with but didn’t necessarily invite over to dinner; the mom of your kid’s friend who kept to herself.

From The Wall Street Journal Sep. 6, 2026

Seated on the overpass on a swelteringly hot day, the 32-year-old said he picked his particular strip of sidewalk for the shade it gets from the elevated 110 Freeway carpool lane.

From Los Angeles Times Aug. 9, 2026

Most parents lose sleep over the amount of piecemeal work required to cobble together a summer schedule; very few relish the planning and spreadsheets and carpool rota involved in keeping their kids safe and occupied.

From Salon Jun. 24, 2026

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

Canton waved, kept walking, passed Mr. Johnson moving the carpool line along.

From "Look Both Ways" by Jason Reynolds

There were whistles, Signal chats, legal observers, carpools, rent funds, and grocery deliveries.

From Slate Jul. 27, 2026

Anna carpools with him too, and Tom joins Max for a few drinks at a local bar.

From Salon Jul. 17, 2026

They are the Chinese equivalent of suburban Americans who buy rugged SUVs for their carpools.

From The Wall Street Journal Dec. 6, 2025

The evening peak period will go an hour later, so three-person carpools are required to enter the I-405 toll lanes for free on weekdays from 5 a.m. to 8 p.m.

From Seattle Times Feb. 13, 2024

Most are about boring things like carpools and dinners and dance rehearsals.

From "South of Somewhere" by Kalena Miller

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