unauthorized

US /ʌnˈɑː.θə.raɪzd/

UK /ʌnˈɑː.θə.raɪzd/

1.

not having official permission or approval.

:

•

unauthorized access to the computer system

:

unofficial unsanctioned uncertified unaccredited unlicensed unwarranted unapproved disallowed prohibited banned barred forbidden outlawed illegal against the law illegitimate illicit interdicted proscribed wildcat

:

authorized official lawful