Dictionary.com

pileup

or pile-up

[ pahyl-uhp ]
/ ˈpaɪlˌʌp /
Save This Word!

noun
a massive collision of several or many moving vehicles.
an accumulation, as of work, chores, or bills.
a rough or disorderly falling of people upon one another, as in a football game.
QUIZ
TEST YOUR MERIT ON THESE NEW WORDS IN 2021
The Dictionary added new words and definition to our vast collection, and we want to see how well-versed you are in the formally recognized new lingo. Take the quiz!
Question 1 of 8
What does JEDI stand for?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of pileup

First recorded in 1825–35; noun use of verb phrase pile up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pileup in a sentence

British Dictionary definitions for pileup

pile up

verb (adverb)
to gather or be gathered in a pile; accumulate
informal to crash or cause to crash
noun pile-up
informal a multiple collision of vehicles
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 Idioms and Phrases with pileup

pile up

1

Accumulate, as in The leaves piled up in the yard, or He piled up a huge fortune. In this idiom pile means “form a heap or mass of something.” [Mid-1800s]

2

Be involved in a crash, as in When the police arrived, at least four cars had piled up. [Late 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
FEEDBACK