Backup

Quick meaning: Backup is a noun meaning A reserve or substitute.

Meaning

A reserve or substitute.

More Meanings

1. (law enforcement, uncountable) Reinforcements.
2. (uncountable, by extension) Any support or extra help.
3. (music, uncountable) Accompaniment.
4. (uncountable) Corroboration.
5. Standby, reserve or extra.
6. (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed.
7. 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.

Example Sentences

The blockage caused a backup in the plumbing.

He's got a gun! You'd better send for backup.

If the goalkeeper is injured, we have a backup.

The accident caused a mile-long backup on the highway.

Word Forms

• backups
• back-up
• backupping
• backupped

Synonyms for backup

Depending on context, synonyms include reserve, spare, substitute, tailback, line, extra.

Related Words

Related dictionary entries include fill-in, substitute, relief, backstop, back-up, safeguard.

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