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英英字典: back_up




Overview of noun back_up

The noun backup has 5 senses


  • backup -- (an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet")

  • stand-in, substitute, relief, reliever, backup, backup man, fill-in -- (someone who takes the place of another (as when things get dangerous or difficult); "the star had a stand-in for dangerous scenes"; "we need extra employees for summer fill-ins")

  • accompaniment, musical accompaniment, backup, support -- (a musical part (vocal or instrumental) that supports or provides background for other musical parts)

  • backup, computer backup -- ((computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased")

  • backing, backup, championship, patronage -- (the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives")


Overview of verb back_up

The verb back up has 5 senses


  • support, back up -- (give moral or psychological support, aid, or courage to; "She supported him during the illness"; "Her children always backed her up")

  • back up, back off, back down -- (move backwards from a certain position; "The bully had to back down")

  • back, back up -- (establish as valid or genuine; "Can you back up your claims?")

  • back up -- (make a copy of (a computer file) especially for storage in another place as a security copy; "You'd better back up these files!")

  • clog, choke off, clog up, back up, congest, choke, foul -- (become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up")

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