A copy of data stored separately from the original, used to restore the original in case of loss or damage. noun
Make sure to create a backup of your important files regularly.
The IT department performs a backup of the server every night.
Support or reinforcement, often in the form of additional personnel or resources. noun
The police called for backup during the high-speed chase.
We have a backup team ready to assist if needed.
A situation where something is prevented from moving forward or progressing, often resulting in a delay. noun
There was a traffic backup on the highway due to an accident.
The project faced a backup because of supply chain issues.
To make a copy of data as a precaution against loss or damage. verb
You should backup your computer files at least once a week.
He forgot to backup his phone contacts before the update.
Serving as a substitute or reserve; secondary. adjective
She is the backup singer for the band.
The backup plan was implemented when the original plan failed.