back up

back up
1) PHRASAL VERB If someone or something backs up a statement, they supply evidence to suggest that it is true.

[V P n (not pron)] Radio signals received from the galaxy's centre back up the black hole theory...

[V P n (not pron)] Her views are backed up by a 1989 Home Office report on crime. [Also V n P]

Syn:
2) PHRASAL VERB If an idea or intention is backed up by action, action is taken to support or confirm it.

[be V-ed P] The Secretary General says the declaration must now be backed up by concrete and effective actions...

[V P n (not pron)] It is time the Government backed up its advert campaigns with tougher measures. [Also V n P]

3) PHRASAL VERB If you back someone up, you show your support for them.

[V n P] His employers, Norfolk social services, backed him up. [Also V P n (not pron)]

4) PHRASAL VERB If you back someone up, you help them by confirming that what they are saying is true, even if you know it is not true.

[V n P] The girl denied being there, and the man backed her up. [Also V P n (not pron)]

5) PHRASAL VERB If you back up, the car or other vehicle that you are driving moves back a short distance.

[V P] Back up, Hans...

[V P] He backed up a few feet and rolled the window down...

[V P to n] A police van drove through the protesters and backed up to the front door of the house.

Syn:
6) PHRASAL VERB If vehicles back up, they form a line of traffic which has to wait before it can move on.

[V-ed P] Traffic into London on the M11 was backed up for several miles. [Also VP, V P n (not pron)]

7) PHRASAL VERB If you back up, you move backwards a short distance.

[V P] I backed up carefully until I felt the wall against my back...

[V P amount] She backed up a few steps.

8) → See also backup

English dictionary. 2008.

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Synonyms:
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Look at other dictionaries:

  • back — back …   Dictionnaire des rimes

  • back — back1 [bak] n. [ME bak < OE baec; akin to ON bak, OHG bahho] 1. the part of the body opposite to the front; in humans and many other animals, the part to the rear or top reaching from the nape of the neck to the end of the spine 2. the… …   English World dictionary

  • Back — (b[a^]k), v. t. [imp. & p. p. {Backed} (b[a^]kt); p. pr. & vb. n. {Backing}.] [1913 Webster] 1. To get upon the back of; to mount. [1913 Webster] I will back him [a horse] straight. Shak. [1913 Webster] 2. To place or seat upon the back. [R.]… …   The Collaborative International Dictionary of English

  • back — ► NOUN 1) the rear surface of the human body from the shoulders to the hips. 2) the corresponding upper surface of an animal s body. 3) the side or part of something away from the viewer. 4) the side or part of an object that is not normally seen …   English terms dictionary

  • Back — (b[a^]k), n. [AS. b[ae]c, bac; akin to Icel., Sw., & LG. bak, Dan. bag; cf. OHG. bahho ham, Skr. bhaj to turn, OSlav. b[=e]g[u^] flight. Cf. {Bacon}.] 1. In human beings, the hinder part of the body, extending from the neck to the end of the… …   The Collaborative International Dictionary of English

  • Back — Back, adv. [Shortened from aback.] 1. In, to, or toward, the rear; as, to stand back; to step back. [1913 Webster] 2. To the place from which one came; to the place or person from which something is taken or derived; as, to go back for something… …   The Collaborative International Dictionary of English

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  • Back — Back, a. 1. Being at the back or in the rear; distant; remote; as, the back door; back settlements. [1913 Webster] 2. Being in arrear; overdue; as, back rent. [1913 Webster] 3. Moving or operating backward; as, back action. [1913 Webster] {Back… …   The Collaborative International Dictionary of English

  • back — [bæk] verb [transitive] 1. to support someone or something, especially by giving money or using your influence: • The board backed Mr Standley, who plans to cut costs. • Shareholders have backed a plan to build a second plant. 2. FINANCE if …   Financial and business terms

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