reinstall Syllabification: (re·in·stall)Pronunciation: /ˌrē-inˈstôl/ (British also reinstal)Translate reinstall | into Italian Definition of reinstall verb (reinstalls (or Britishreinstals), reinstalling, reinstalled) [with object] place or fix (equipment or machinery) in position again. install (computer software) again:I reinstalled the program noun an act of reinstalling something, especially software:try performing a “clean” reinstall of your system softwareDerivatives reinstallationPronunciation: /ˌrē-instəˈlāSHən/ noun reinstaller noun reinstall in other Oxford dictionaries Definition of reinstall in the British & World English dictionary