pileup

noun pile·up \ ˈpī(-ə)l-ˌəp \
Updated on: 10 Nov 2017

Definition of pileup

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

Examples of pileup in a Sentence

  1. A five-car pileup slowed traffic.

  2. a pileup of e-mail messages that needed to be dealt with

Recent Examples of pileup from the Web

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

1900


PILEUP Defined for English Language Learners

pileup

noun

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



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