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USF Posted 14 years ago
Vocabulary

back up

"back up" means :
1. drive backward
2. back up (in digital data)
3. to support or help someone

But would you please tell me if it has other meaning too? Like moving backward (for man) or something like that?
  

Top answer

Hi, - Move backwards, eg away from a lion - Support an assertion by providing evidence. eg He did research to back up his theory . - form a stationary line of traffic.

— Clive

  • Hi, - Move backwards, eg away from a lion - Support an assertion by providing evidence.
  • eg He did research to back up his theory .
  • - form a stationary line of traffic.
  • eg the traffic is backing up for miles because of the accident Clive
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2 Answers
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Hi,

- Move backwards, eg away from a lion

- Support an assertion by providing evidence. eg He did research to back up his theory
.
- form a stationary line of traffic. eg the traffic is backing up for
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