commissioner

noun

com·​mis·​sion·​er kə-ˈmi-sh(ə-)nər 

: a person with a commission: such as

a

: a member of a commission

b

: the representative of the governmental authority in a district, province, or other unit often having both judicial and administrative powers

c

: the officer in charge of a department or bureau of the public service

d

: the administrative head of a professional sport

commissionership

kə-ˈmi-sh(ə-)nər-ˌship 

noun

Examples of commissioner in a Sentence

The baseball commissioner decided to suspend the players for 10 games.

Recent Examples on the Web

Back in May, the three Hamilton County commissioners called for public hearings on the Paycor Stadium lease. —Erin Glynn, The Enquirer, 7 July 2025

The lone Republican commissioner on the Federal Election Commission has decided to forgo a run for Texas attorney general and stick with the agency to prevent it from being used as a political weapon by Democrats. —Paul Bedard, The Washington Examiner, 7 July 2025

John Herbst is the District 1 commissioner in Fort Lauderdale. —John Herbst, Sun Sentinel, 5 July 2025

However, the president was not permitted to remove its commissioners or act without their approval. —Steve Woolpert, Mercury News, 4 July 2025

Word History

Etymology

Middle English, "person empowered to carry out defined duties," borrowed from Anglo-French, borrowed from Medieval Latin commissiōnārius, from commissiōn-, commissiō commission entry 1 + Latin -ārius -ary entry 1

First Known Use

15th century, in the meaning defined above

Phrases Containing commissioner

• high commissioner
• resident commissioner

Rhymes for commissioner

• conditioner
• parishioner
• petitioner
• positioner
• practitioner
• missioner

Kids Definition

commissioner

noun

com·​mis·​sion·​er kə-ˈmish-(ə-)nər 

1

: a member of a commission

2

: an official in charge of a government department

Police Commissioner

Legal Definition

commissioner

noun

com·​mis·​sion·​er

: a person with a commission: as

a

: a member of a commission

b

often capitalized : the officer in charge of a government agency

a police commissioner