pileup
Americannoun
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a massive collision of several or many moving vehicles.
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an accumulation, as of work, chores, or bills.
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a rough or disorderly falling of people upon one another, as in a football game.
Etymology
Origin of pileup
First recorded in 1825–35; noun use of verb phrase pile up
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.
And so there has been a pileup of ignominy referred to a busier-than-ever Ethics Committee.
From Slate • Apr. 16, 2026
A Jan. 31 pileup involved 59 cars with 10 people needing hospitalization.
From The Wall Street Journal • Mar. 29, 2026
In my family, birthdays arrive in a cheerful pileup.
From Salon • Feb. 3, 2026
A three-mile stretch of Highway 99 was closed for more than five hours Saturday after dense fog led to a massive vehicle pileup in Tulare County, about 40 miles north of Bakersfield.
From Los Angeles Times • Jan. 31, 2026
I wondered who was covering for him as I wove my way through the pileup and toward the store, hoping my cap would keep me invisible—I felt like a ghost anyway.
From "The Miseducation of Cameron Post" by emily m. danforth
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.