Back up
volume
British pronunciation/bˈak ˈʌp/
American pronunciation/bˈæk ˈʌp/

Definition & Meaning of "back up"

to back up
[phrase form: back]
01

to support someone or something

to back up definition and meaning
02

to walk backward from a particular spot

to back up definition and meaning
03

to confirm that something is true or valid

04

to wait in a long line of cars, unable to move because the road is crowded

05

to make a copy of computer digital data

06

(of a vehicle) to move backward

07

*** Undo one’s actions

08

*** Reconsider one’s thoughts

example
Example
examples
The loyal fans always back up their favorite sports team.
The coach consistently backs up his players, fostering team spirit.
I'll back up your proposal during the meeting.
The system automatically backs up the data every night.
The witness backed up the testimony with clear recollections.
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