# pile-up

> English word · Noun

## Definitions
1. A pile, a group of people or things which have piled up on one another, especially
2. A pile, a group of people or things which have piled up on one another, especially
3. An accumulation that occurs over time, especially one which is not welcome.

## Etymology
Deverbal from pile up.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pile-up