English dictionary

backup meaning and definition

Definition and meaning of backup at MeaningMonkey.org. backup meaning and definition in the English Dictionary.


Definition of backup (noun)

  1. an accumulation caused by clogging or a stoppage
    • "a traffic backup on the main street"; "he discovered a backup in the toilet"
  2. someone who takes the place of another (as when things get dangerous or difficult)
  3. a musical part (vocal or instrumental) that supports or provides background for other musical parts
  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"
    • synonyms: computer backup
  5. the act of providing approval and support
Source: Princeton University Wordnet

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