Pronunciation: /bæk ʌp/
noun a reserve or alternative option
A1 I always make sure to do a back up of my important files on a USB drive.
A2 It's important to have a back up of your phone contacts in case you lose your device.
B1 The company's back up plan for emergencies includes having a generator on standby.
B2 Make sure to create a back up of your computer's data before installing any new software.
C1 The server automatically creates a back up of all files every night for security purposes.
C2 The IT department is responsible for managing the back up systems and ensuring data recovery in case of a disaster.
verb to support or confirm something with evidence or action
A1 I always back up my important files on a USB drive.
A2 Don't forget to back up your phone before updating the software.
B1 It's important to regularly back up your computer to prevent data loss.
B2 Make sure to back up all your documents before reinstalling the operating system.
C1 The company has a strict policy in place to back up all sensitive data on a regular basis.
C2 As a cybersecurity expert, I always advise clients to back up their data in multiple locations for added security.
formal Please remember to back up all important files on the server regularly.
informal Hey, don't forget to back up your photos on the cloud!
slang I always back up my stuff on an external hard drive, just in case.
figurative When facing a difficult decision, it's always good to have a strong support system to back you up.
backed up
back ups
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most back up
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has backed up
is backing up
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to back up
backing up
backing up