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 of promoter

• 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

The former Lot 613 was a semi-permanent pop-up music venue used by various promoters over the years. — Los Angeles Times, 8 July 2026

Elsie Peacock Hand has been a mayor, bank vice president, country music promoter, and longtime political aide and booster, Patricia Murphy writes. — Adam Beam, AJC.com, 6 July 2026

Other guests in attendance include AMC Theatres CEO Adam Aron, Steven Spielberg, Bob Iger, Dana Walden, Universal Music Group chairman Lucian Grainge, Republic Records founders Monte and Avery Lipman and Swift’s longtime tour promoter Louie Messina. — Jack Dunn, Variety, 3 July 2026

But Gálvez’s promoters on both sides of the Atlantic also expect too much of him. — Geraldo L. Cadava, The Atlantic, 3 July 2026

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
• coater
• floater
• motor
• rotor
• voter
• locomotor
• psychomotor
• servomotor

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