back upRate this phrase:(3.00 / 3 votes)Say it
To move backwards, especially for a vehicle to do so.

Additional definitions for 'back up':

back upAs a security measure.
back upTo move a vehicle backwards.
back upTo provide support or the promise of support.
back upFor the non-striker to take a few steps down the pitch, in preparation to taking a run, just as the bowler bowls the ball.
back upSo as to stop the ball, and prevent overthrows.
See them all »


Find a translation for the back up phrase in other languages:

Select another language:

Nearby phrases

Some more phrases from our dictionary similiar to back up

Discuss this back up phrase with the community:


Use the citation below to add this back up definition to your bibliography:


"back up." STANDS4 LLC, 2018. Web. 22 Mar. 2018. <>.

We need you!

Help us build the largest human-edited phrases collection on the web!