Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “unauthorized”

unauthorized

adjective (UK also unauthorised)     /ʌnˈɔːθəraɪzd/
not officially allowed: He concealed huge losses made from unauthorized trading on Asian futures markets. Unauthorized entry into the United States is illegal, but being in the country after having entered illegally is not necessarily a crime. The company has started to more aggressively prosecute unauthorized use of its technology.
(Definition of unauthorized adjective from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of unauthorized

Definitions of “unauthorized” in other dictionaries

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More