The meaning of UNAUTHORIZED is not authorized : without authority or permission. How to use unauthorized in a sentence.

UNAUTHORIZED meaning: 1. without someone's official permission to do something or be in a particular place: 2. without…. Learn more.

Unauthorized definition: lacking permission; unsanctioned.. See examples of UNAUTHORIZED used in a sentence.

If something is unauthorized, it has been produced or is happening without official permission. ...a new unauthorized biography of the singer.

Definition of unauthorized adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

unauthorized definition: not having official permission or approval. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like …

WordReference Random House Learner's Dictionary of American English © 2025 un•au•thor•ized /ʌnˈɔθəˌraɪzd/ adj. not authorized; not having been given permission or authority to do …

If something is officially not approved, it's unauthorized. An unauthorized biography is written without the consent or cooperation of its subject. If a person lacks the authority to do …

Unauthorized definition: Not having any <a>authority.</a>.

unauthorized (ʌnˈɔːθəˌraɪzd) or unauthorised adj not having official permission