Pile up
phrasal verb
To accumulate or gather over time.
As I was busy, the paperwork started to pile up on my desk.

Often appears as...
- work piles up
- bills pile up
phrasal verb
To cause something to accumulate or gather over time.
Don't pile up your problems, deal with them one at a time.

Often appears as...
- pile up work
- pile up bills
phrasal verb
To crash or collide with each other, causing congestion.
Due to the fog, a number of cars piled up on the highway.

Often appears as...
- cars pile up
- vehicles pile up
Usage tips
Colloquial
phrasal verb
To accumulate or gather over time.
As I was busy, the paperwork started to pile up on my desk.

Often appears as...
- work piles up
- bills pile up
phrasal verb
To cause something to accumulate or gather over time.
Don't pile up your problems, deal with them one at a time.

Often appears as...
- pile up work
- pile up bills
phrasal verb
To crash or collide with each other, causing congestion.
Due to the fog, a number of cars piled up on the highway.

Often appears as...
- cars pile up
- vehicles pile up
Usage tips
Colloquial
Definition 1 of 3

Time reference
Use when indicating that tasks or items are gathering gradually.

The emails pile up if I don't check my inbox regularly.
Feeling overwhelmed
Describes the stress from a growing number of tasks or problems.

When assignments pile up, I feel overwhelmed.
Contextual use
Often used in work or administrative contexts to describe backlog.

Leave requests tend to pile up around the holidays.
Time reference
Use when indicating that tasks or items are gathering gradually.

The emails pile up if I don't check my inbox regularly.
Feeling overwhelmed
Describes the stress from a growing number of tasks or problems.

When assignments pile up, I feel overwhelmed.
Contextual use
Often used in work or administrative contexts to describe backlog.

Leave requests tend to pile up around the holidays.
Time reference
Use when indicating that tasks or items are gathering gradually.

The emails pile up if I don't check my inbox regularly.
Feeling overwhelmed
Describes the stress from a growing number of tasks or problems.

When assignments pile up, I feel overwhelmed.
Contextual use
Often used in work or administrative contexts to describe backlog.

Leave requests tend to pile up around the holidays.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension