backup
Proposed by a contributor, not yet supported by evidence.
Also seen as: backups
Sense 1
A reserve or substitute.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
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.
Một bản sao của tệp hoặc bản ghi được lưu trữ riêng biệt với bản gốc
Machine-translated — suggest a fix
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Standby, reserve or extra.
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
That is intended as a backup.
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “backup” mean?
A reserve or substitute.
Is “backup” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.