back up

verb

1. tr to support or assist
2. intr cricket (of a nonstriking batsman) to move down the wicket in readiness for a run as a ball is bowled
3. (of water) to accumulate
4. (of traffic) to become jammed behind an accident or other obstruction
5. computing to make a copy of (a data file), esp for storage in another place as a security copy
6. printing to print the second side of (a sheet)
7. intr,usually foll byon to repeat an action immediately

noun

1. a support or reinforcement
2. 1. a reserve or substitute
   2. ( as modifier )

      backup troops

3. 1. musical accompaniment, esp for a pop singer
   2. ( as modifier )

      backup singer

4. the overflow from a blocked drain or pipe
5. computing a file or set of files copied for security purposes

Example Sentences

There are still far too many people who will pick him back up.

From Salon

Sarabia briefly went down after a run but immediately got back up.

From Los Angeles Times

Big banks: Bank stocks are back up, baby.

From Slate

That is, once the company stocks back up on Sharpies.

From Salon

The lights came back up moments later to show him spinning Buswell around on his shoulders.

From BBC