promoter

noun

pro·​mot·​er prə-ˈmō-tər 

1

: one that promotes

especially : one who assumes the financial responsibilities of a sporting event (such as a boxing match) including contracting with the principals, renting the site, and collecting gate receipts

2

obsolete : prosecutor

3

: a substance that in very small amounts is able to increase the activity of a catalyst

4

: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes

Synonyms

• proponent
• supporter
• advocate
• advocator
• exponent

Examples of promoter in a Sentence

a promoter of greater understanding and cooperation among churches

Recent Examples on the Web

Speedway Motorsports is a leading marketer, promoter and sponsor of motor sports and special event entertainment. —Joseph Wolkin, Forbes.com, 15 Aug. 2025

Arsene Wenger — another keen promoter of youth — always tempered his enthusiasm with realism. —Amy Lawrence, New York Times, 14 Aug. 2025

Agents, managers, scammers, promoters still owe me money. —EW.com, 14 Aug. 2025

With big sponsors such as Barclays, promoters like Live Nation and even investors like Blackrock, Vanguard and KKR now a target for activists, there’s a genuine fear that the tap could be turned off. —Scott Roxborough, HollywoodReporter, 7 Aug. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing promoter

• co-promoter

Rhymes for promoter

• premotor
• promotor
• remoter
• boater
• floater
• motor
• rotor
• voter
• locomotor
• psychomotor
• servomotor
• vasomotor

Kids Definition

promoter

noun

pro·​mot·​er prə-ˈmōt-ər 

: a person who promotes

especially : one who finances a sporting event

a promoter of prizefights

Medical Definition

promoter

noun

pro·​mot·​er -ˈmōt-ər 

1

: a substance that in very small amounts is able to increase the activity of a catalyst

2

: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes

3

: a chemical believed to promote carcinogenicity or mutagenicity

Legal Definition

promoter

noun

pro·​mot·​er

: one who alone or with others actively participates in the formation of a business or venture

promoters owe a fiduciary duty to the corporation they are promoting

—R. C. Clark