Lexic.us

Definition of Back up

1. Verb. Give moral or psychological support, aid, or courage to. "Sam cannot back up Sue "; "Her children always backed her up"

2. Verb. Move backwards from a certain position. "The bully had to back down"

3. Verb. Establish as valid or genuine. "Can you back up your claims?"

4. Verb. Make a copy of (a computer file) especially for storage in another place as a security copy. "You'd better back up these files!"

5. Verb. Become or cause to become obstructed. "The water pipe is backed up"

Definition of Back up

1. Verb. (idiomatic intransitive) To move backwards, especially for a vehicle to do so. ¹

2. Verb. (idiomatic transitive) To move a vehicle backwards. ¹

3. Verb. (idiomatic intransitive) To undo one's actions. ¹

4. Verb. (idiomatic intransitive) To reconsider one's thoughts. ¹

5. Verb. (idiomatic computing transitive) To copy (data) as a security measure. ¹

6. Verb. (idiomatic transitive) To provide support or the promise of support. ¹

7. Verb. (idiomatic intransitive cricket) For the non-striker to take a few steps down the pitch, in preparation to taking a run, just as the bowler bowls the ball. ¹

8. Verb. (idiomatic intransitive cricket) For a fielder to position himself behind the wicket (relative to a team-mate who is throwing the ball at the wicket) so as to stop the ball, and prevent overthrows. ¹

9. Verb. (idiomatic intransitive of a blockage) to halt the flow or movement of something. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Back Up

back story back straight back straights back street back talk back teeth back to back jack back to back ticket back to basics back to front

back to nature back to square one back to the drawing board back to the wall back tooth back up (current term) back vowel back wall back walls back water

back waters back yard back yards backache backaches backaction backake backal backarapper backarc

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