without official permissionNo access for unauthorized personnel.oppositeauthorizeunauthorized use of public fundsan unauthorized biography (= written without the subject’s permission or help)Oxford Collocations DictionaryUnauthorized is used with these nouns: absence,access,biography,…Seefull entryExtra examplesFailure 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.
See unauthorized in the Oxford Learner's Dictionary of Academic EnglishSee unauthorized in the Oxford Advanced American Dictionary
