Definition of Unauthorized

without permission or authority

Examples of Unauthorized in a sentence

Unauthorized vehicles without an entrance tag will not be allowed to pass through the gate.  🔊

Although he wasn’t supposed to be in the building, the robber was able to make an unauthorized entry through the back door.  🔊

Several unauthorized purchases were made to Karen’s credit card without her knowledge or permission.  🔊

Other words in the Not Allowed category:

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