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 accumulationb : accumulation
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 of pileup from the Web
Froome himself went down in a pileup on another stage, but recovered and went into yellow by the fifth stage.
Burke’s Instagram is a trove of her own maximalist pileups: wraparound pygmy rings, anthropomorphic suns with their tongues wagging, a dainty torso of a hermaphrodite.
It’s unclear if that would have prevented the pileup on the Kansas Turnpike in Bonner Springs.
Prevent dead-skin pileup by using a pumice stone in the shower—and don't be tempted into using a razor.
The result: a pileup of guitars, horns, piano, beats, a flute line and pop vocals that coalesces beautifully.
Second, those debt pileups are caused by flaws in an economy going unrecognized or unaddressed.
In November 2007, a chain-reaction crash of 108 vehicles in fog near Fresno, Calif., resulted in two deaths, as did a 60-car pileup in Wyoming in April 2015.
Rome Mayor Virginia Raggi’s administration got off to a rocky start, dogged by transportation strikes, garbage pileups and scandals swirling around some of her appointees or aides.
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.
First Known Use of pileup
PILEUP Defined for English Language Learners
Definition of pileup for English Language Learners
: 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
Seen and Heard
What made you want to look up pileup? Please tell us where you read or heard it (including the quote, if possible).