backup

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See also: back-up and back up

English[edit]

Alternative forms[edit]

Etymology[edit]

back +‎ up

Pronunciation[edit]

Noun[edit]

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[edit]

Translations[edit]

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

Adjective[edit]

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[edit]

Usage notes[edit]

Back-up is an alternative spelling of backup. Both spellings are used as either a noun or an adjective. The verb back up is always spelled as two words and never with a hyphen.

Translations[edit]

Verb[edit]

backup (third-person singular simple present backups, present participle backuping, simple past and past participle backuped)

  1. Misspelling of back up.

Anagrams[edit]


Italian[edit]

Etymology[edit]

Borrowed from English backup.

Noun[edit]

backup m (invariable)

  1. (computing) backup

Portuguese[edit]

Alternative forms[edit]

Etymology[edit]

Borrowed from English backup.

Noun[edit]

backup m (plural backups)

  1. (computing) backup (copy of file or record)