unauthorized

Từ điển Oxford Advanced Learner 8th

un·author·ized (BrE also-ised [unauthorized])BrE [ʌnˈɔːθəraɪzd] NAmE [ʌnˈɔːθəraɪzd] adjective
without official permission
•No access for unauthorized personnel.
Opp: authorized
•unauthorized use of public funds
•an unauthorized biography (= written without the subject's permission or help)

Example Bank:
•Failure to complete the form will result in absences being regarded as unauthorized.
•Schools completed a questionnaire on attendance and unauthorized absence.
•There are special precautions to prevent unauthorized personnel from gaining access.
•There was a ban on all unauthorized marches.
•They violated international law by making unauthorized broadcasts to the mainland.
•Unauthorized access is a criminal offence under the Computer Misuse Act.

• Từ đồng nghĩa / Synonyms:
  unauthorised, wildcat
• Từ trái nghĩa / Antonyms:
  authorized, authorised