pile up
To form a pile, stack, or heap.
The kids piled up their boots and coats by the back door.
ADJ
big, great, high, huge, large, massive, vast | thick | little, small, tiny | neat, tidy | untidy
VERB + PILE
place sth in/into/on, put sth in/into/on
She placed all the dirty clothes into a pile by the washing machine.
dump
She dumped a pile of old magazines in the recycling bin yesterday.
add sth to
I added my laundry to the pile of clothes waiting to be washed.
flick through, leaf through, look through, riffle through, shuffle through, sort through
She sorted through the pile of old photographs, searching for pictures from her childhood.
PREP
amid a/the ~
She found her passport amid a pile of old documents in the drawer.
behind a/the ~
She hid behind a pile of boxes while playing hide-and-seek with her friends.
beneath/under a/the ~
She discovered her lost keys under a pile of old newspapers on the kitchen table.
in a/the ~
There were dirty clothes in a pile by the washing machine.
on a/the ~
I found my keys on the pile of clothes by the bed.
~ of
There was a huge pile of dirty laundry waiting to be washed in the bathroom.
PHRASES
be reduced to a pile of sth
After the accident, the car was reduced to a pile of twisted metal.
the bottom/top of the pile
She finally reached the top of the pile after years of hard work at the company.
sort sth into piles
She sorted the recycling into three piles before taking it to the center.
ADV
neatly
up
The dirty laundry kept piling up in the corner of my bedroom.
PREP
against
The moving boxes were piled against the living room wall while we waited for the truck.
on, onto
The workers piled heavy boxes onto the truck before noon.
on top of
The children stacked their dirty clothes on top of the laundry basket.
with
The kitchen counter was piled with dirty dishes from the party last night.
PHRASES
piled high