adjective
- done without official permission or approval
Examples
- The security guard removed unauthorized visitors from the building.
- She made unauthorized changes to the company’s website.
- Unauthorized parking in this area will result in a fine.
- The unauthorized biography revealed many secrets about the celebrity.
- Students are not allowed unauthorized access to the computer lab.
- The unauthorized use of copyrighted material is illegal.
- He was fired for making unauthorized purchases with company funds.