backup
/ˈbækˌʌp/ adjective C2- Standby, reserve or extra. · I am only a backup player.
- That is intended as a backup. · Make a backup copy of that file.
- Supporting, reinforcing; (music) of or related to accompaniment
Other matches
Learn backup in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.