backup

US /ˈbæk.ʌp/
UK /ˈbæk.ʌp/
"backup" picture
1.

a copy of a file or data that can be used if the original is lost or damaged

:
•
Always make a backup of your important documents.
•
I lost all my photos because I didn't have a recent backup.
:
reserveduplicatecopyextra
2.

support or help

:
•
The police called for backup to handle the situation.
•
She provides excellent backup for the sales team.
:
supportassistancereinforcementaid
1.

to make a copy of a file or data

:
•
You should regularly backup your computer files.
•
Don't forget to backup your phone before updating the software.
:
copyduplicatearchive
1.

serving as a reserve or substitute

:
•
He is the backup quarterback for the team.
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We have a backup plan in case something goes wrong.
:
reservestandbysubstituteauxiliary
:
backup dancer