pile·up | \ˈpī(-ə)l-ˌəp \

Definition of pileup 

1 : a collision involving usually several motor vehicles

2a : a jammed tangled mass or pile (as of motor vehicles or people) resulting from collision or accumulation

b : accumulation

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Examples of pileup in a Sentence

A five-car pileup slowed traffic. a pileup of e-mail messages that needed to be dealt with

Recent Examples on the Web

This will let vehicles alert their fellow vehicles to accidents ahead, preventing pileups. Youngky Kim, WSJ, "Smarter Cities and Safer Self-Driving Cars: Imagining Life in 5G," 20 Apr. 2018 The pileup happened at 2:48 p.m. in the southbound lanes of Interstate 93, just before exit 24, State Police Sergeant Paul Sullivan said. Olivia Quintana, BostonGlobe.com, "Three taken to hospital after five-car crash on I-93 in Boston," 24 June 2018 During Mayor Virginia Raggi's tenure at City Hall, the Italian capital has endured an ailing mass transit system and pileups of uncollected trash. Frances D'emilio, Fox News, "Italy's anti-migrant minister steals partner party's show," 8 July 2018 During Mayor Virginia Raggi’s tenure at City Hall, the Italian capital has endured an ailing mass transit system and pileups of uncollected trash. Washington Post, "Italy’s anti-migrant minister steals partner party’s show," 8 July 2018 Riders were enjoying a calm sunny afternoon until a pileup near the front of the peloton with just over 5K left that sent several riders to the tarmac. Joseph Wilson, The Seattle Times, "Gaviria beats Sagan again to claim 2nd Tour win on Stage 4," 10 July 2018 With a flurry of releases sweeping the hip-hop culture by storm during the month of June, one artist who made sure not to get lost in the pileup has been A Boogie wit da Hoodie. Carl Lamarre, Billboard, "A Boogie wit da Hoodie Says He Has Six Records With Young Thug, Teases EP With Tory Lanez: Exclusive," 25 June 2018 The popular Yoshino cherry trees that line the Tidal Basin don’t seem to produce the same blossom pileup issues on the ground that plague the Kwanzans. Kevin Ambrose, Washington Post, "Kwanzan cherry trees are exploding in pink — but they are such a mess," 7 May 2018 Although there was no massive wreck or multi-car pileup - Ryan Newman was the only driver to not finish because of an accident - the close-calls and and minor contact were infuriating for drivers like Martin Truex Jr., Kyle Larson and Alex Bowman. Michelle R. Martinelli, USA TODAY, "Race audio: Kyle Busch wondering if he was flipped off," 25 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pileup.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pileup

1900, in the meaning defined at sense 1

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Statistics for pileup

Last Updated

13 Oct 2018

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Time Traveler for pileup

The first known use of pileup was in 1900

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English Language Learners Definition of pileup

: an accident in which several or many vehicles crash into each other

: a large amount of something that has increased gradually over a period of time

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More from Merriam-Webster on pileup

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Thesaurus: All synonyms and antonyms for pileup

Spanish Central: Translation of pileup

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