0 to prove something is true: --
Make sure you back up your files.
His claims are backed up by recent research.
1 to drive backwards --
2 to make an extra copy of a computer file, etc.: --
Research data and account information were backed up daily.
Don't forget to back up your files at least once a week.
NIEUWE WOORDEN
European
May 10, 2021
WOORD VAN DE DAG
Shimmer
back sth up