zaległość in inglese:

Thanks to you, the backlog of tedious work has been completed.

We have a backlog of complaints to deal with.

a stack of backlog work

A backlog of outstanding payments is our biggest hassle.

One problem was a backlog of more than 400,000 cases.

I have a huge backlog of paperwork to catch up on.

There is a backlog of repairs and maintenance in schools. There is a backlog of EFODs to enter to the USOAP

backlog at orders

Since 1986 the backlog has been growing by 10 percent every five weeks.