• IPA: /ˈbækˌʌp/

backup (plural backups)

  1. A reserve or substitute.
    If the goalkeeper is injured, we have a backup.
  2. (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.
    After the power failure, we had to restore the database from backup.
  3. An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.
    The accident caused a mile-long backup on the highway.
    The blockage caused a backup in the plumbing.
  4. (law enforcement) reinforcements
    He's got a gun! You'd better send for backup.
Synonyms Translations Translations
  • French: sauvegarde
  • German: Datensicherung, Backup, Reservekopie, Sicherheitskopie, Sicherungskopie
  • Italian: backup, copia di riserva, copia di sicurezza
  • Portuguese: backup, becape, cópia de segurança, cópia de reserva
  • Russian: резе́рвная ко́пия
  • Spanish: copia de seguridad, copia de reserva, copia de respaldo

backup (not comparable)

  1. Standby, reserve or extra.
    I am only a backup player.
  2. (computing) That is intended as a backup.
    Make a backup copy of that file.
Synonyms Translations Translations
  • French: de sauvegarde
  • Portuguese: backup

backup (backups, present participle backuping; past and past participle backuped)

  1. Misspelling of back up

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