backup — Working on a Computer backup /ˈbækʌp/ noun CEFR A2 an extra copy of computer files kept in case something is lost “Always keep a backup of your work.” Related words in this scene screenchargercomputerprinterkeyboardmousefilefolderlaptopclicktypesaveopenclosepasswordinternetsoftwareprogramiconprintdownloaduploaddeletecopypastebatterywificablesearchupdatebrowser Practice this word Create worksheet