or pile-up

[ pahyl-uhp ]
See synonyms for pileup on Thesaurus.com
  1. a massive collision of several or many moving vehicles.

  2. an accumulation, as of work, chores, or bills.

  1. a rough or disorderly falling of people upon one another, as in a football game.

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. 2024

How to use pileup in a sentence

British Dictionary definitions for pile up

pile up

  1. to gather or be gathered in a pile; accumulate

  2. informal to crash or cause to crash

  1. 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


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]

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