unauthorized

adjective un·au·tho·rized \ ˌən-ˈȯ-thə-ˌrīzd \
|Updated on: 13 Jun 2018

Definition of unauthorized

: not authorized : without authority or permission
  • an unauthorized biography
  • unauthorized communications
  • was unauthorized to act for her husband

Recent Examples of unauthorized from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unauthorized.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unauthorized

1597

in the meaning defined above

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