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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Reverse from a certain position; Also: Make a copy of (a computer file) especially for storage in another place as a security copy.

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Usage examples (5)
  • You'd better back up these files!
  • Can you back up your claims?
  • Noun : the back of the head. ,the clothes on his back. ,He put his back into the task. ,the back of a hall. ,the back of a chair....
  • Verb (used with object) : to back a candidate; to back up a theory with facts. ,to back a horse in the race. ,to back a car. ,to back a book....
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