pile up

phrasal verb·1 sense·particle up

Meanings

1

Accumulate in a heap

Increaseuncommon

Why “up”? More of something is higher. Quantity, intensity and speed all rise.

The dishes piled up in the sink.
The dishes accumulated in a heap in the sink.
Emails piled up while I was away.
Emails accumulated while I was away.

Don't confuse with

pile uppile on

Pile up means accumulate in a heap. Pile on means add ever more onto someone.

Test yourself

The dishes piled up in the sink. What does it mean?

Nearby in the meaning map

Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

Practice “pile up” in Sink In

Drill this and 600+ phrasal verbs with spaced repetition, organised by particle.