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    Back·up
    /ˈbakˌəp/

    noun

    • 1. help or support: "no police backup could be expected"
    • 2. an extra copy of data from a computer: "make a backup of any important files"
  2. Learn the various meanings and uses of the word backup as a noun and a verb. Find synonyms, examples, word history, and related articles for backup.

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  4. Learn the meaning of backup as a noun and an adjective in English, with synonyms, collocations and usage examples. Find out how backup is used in different contexts, such as computer, music, sports and business.

  5. noun. a person or thing that supports or reinforces another. a singer with a three-man backup that plays cello, bass, and guitar. a sewage backup; a backup of cars at the tollbooth. a person, plan, device, etc., kept in reserve to serve as a substitute, if needed. Computers.

  6. Learn the meaning of backup as a noun and an adjective in different contexts, such as support, help, extra copy, or replacement. See how to use backup in sentences and collocations with other words.

  7. Backup is what someone gives when they help or support you. A brand new doctor might need some backup in the emergency room for the first few weeks. Use the noun backup when you talk about extra assistance or help.

  8. Learn the various meanings and uses of the word backup in British and American English. Find synonyms, pronunciation, examples, and related terms for backup.

  9. Backup can mean a copy of a file or program, a support or reinforcement, or an accumulation or stoppage. Learn the different meanings and usage of backup with examples and translations.

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