Meaning of the word "backed up" in English

What does "backed up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

backed up

US /ˈbækt ʌp/
UK /ˈbækt ʌp/

Adjective

1.

having a blockage that prevents things from flowing through

Example:
The toilet is backed up again.
Traffic was backed up for miles due to the accident.
2.

having copies of computer files stored in a safe place

Example:
Make sure your important documents are always backed up.
My hard drive crashed, but luckily all my files were backed up.