Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “commissioner”


noun [C]     /kəˈmɪʃ.ən.ər/ US  //
an important official who has responsibility in a government department or another organization: the commissioner in charge of the police forceGovernment ministers and civil servants
(Definition of commissioner noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of commissioner

More definitions for “commissioner”

Definitions of “commissioner” in other dictionaries

Word of the Day


a document given to students or reporters which contains information about a particular subject

Word of the Day


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