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Meaning & Definition of Backup in English

English

Backup

/bækəp/

noun

1. An accumulation caused by clogging or a stoppage

  • "A traffic backup on the main street"
  • "He discovered a backup in the toilet"
    synonym:
  • backup

2. 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"
    synonym:
  • stand-in
  • ,
  • substitute
  • ,
  • relief
  • ,
  • reliever
  • ,
  • backup
  • ,
  • backup man
  • ,
  • fill-in

3. A musical part (vocal or instrumental) that supports or provides background for other musical parts

    synonym:
  • accompaniment
  • ,
  • musical accompaniment
  • ,
  • backup
  • ,
  • support

4. (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"
    synonym:
  • backup
  • ,
  • computer backup

5. The act of providing approval and support

  • "His vigorous backing of the conservatives got him in trouble with progressives"
    synonym:
  • backing
  • ,
  • backup
  • ,
  • championship
  • ,
  • patronage