Meaning of the word unauthorized in English

What does unauthorized mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unauthorized

US /ʌnˈɑː.θə.raɪzd/
UK /ʌnˈɔː.θə.raɪzd/
"unauthorized" picture

Adjective

not having official permission or approval

Example:
Unauthorized access to the system is strictly prohibited.
The company took legal action against the unauthorized use of its logo.