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Definition backup in British English

backup noun

noun
/ˈbækʌp/
1

people or equipment that can be used when extra help is needed

Example

I've got my mother as a backup in case the babysitter cancels.

Example

They realized that Sykes was armed, and radioed for backup.

Example

a backup generator/crew

Synonyms and related words
2

a copy of information on your computer that you make in case you lose the information

Example

Remember to do regular backups.

Example

a backup copy

Synonyms and related words
3

music that is played or sung to add to the main singer's voice

Example

Her sister goes on tour with her and sings backup.

Example

a backup vocalist

Synonyms and related words
Definition backup in British English