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

"For me, personally, having the complete set, it just feels really nice and it's quite poetic with the trampoline because it went silver, then down to bronze, and bounced back up to gold."

From BBC

Assethold said: "Any works carried out would be backed up with images and an invoice. We do inspect the properties regularly and do speak to the contractor if any complaints are raised about the works."

From BBC

He also argues that the supposed healthy lifestyle of the people who live in blue zones is not always backed up by real world data.

From Science Magazine

She finished third in Roubaix in a sprint finish, after chasing back up to the front group on her own.

From BBC

“But it’s something that made me stronger and I can look back and be proud. Some take that fall and can’t get back up. I trusted God he’d get me back up.”

From Los Angeles Times