B2adjectiveUK spelling: unauthorisedformallawtechnology
US/ʌnˈɔː.θə.raɪzd/
UK/ʌnˈɔː.θə.raɪzd/
done or used without official permission
In context
An unauthorized person entered the building through the back door.
The company warned staff against unauthorized use of its computers.
She wrote an unauthorized biography of the famous singer.
Words that go with unauthorized
adjective + noun
- unauthorized accessThe system blocks unauthorized access.
- unauthorized useUnauthorized use of the photos is forbidden.
- unauthorized personUnauthorized persons may not enter this area.
- unauthorized copyThey sold an unauthorized copy of the film.
- unauthorized disclosureThe unauthorized disclosure of data caused a scandal.
- unauthorized absenceHis unauthorized absence led to a warning.
Common mistakes
Incorrect:
Unauthorize people cannot enter.Correct: Unauthorized people cannot enter.