English Reference
Idiom idiom

pile up


To collect or accumulate, as a backlog.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

Work is starting to pile up on my desk.

CONTEXTUAL

If you do not wash the dishes every day, they will pile up in the sink.

COMPLEX

As the deadline approached, the unanswered emails continued to pile up, causing him significant stress and forcing him to work late into the night.


Related idioms1entry
  1. 01

    pile Pelion on Ossa

    To make a difficult situation even worse.

Last updated August 10, 2026