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

Venues and promoters can start working with local public transit and private businesses to provide cleaner alternatives. —Adam Gardner, Variety, 9 Sep. 2025

The Act also enhanced oversight of Regional Centres through mandatory audits, tighter fund monitoring, background checks for project sponsors, and registration of promoters to prevent fraud and abuse. —Andy J. Semotiuk, Forbes.com, 8 Sep. 2025

Shinola continues to be an ardent promoter of Made in America. —Jean E. Palmieri, Footwear News, 7 Sep. 2025

For instance, when the Martins were broke, before Christy gained the attention of legendary boxing promoter Don King, Jim, played on screen in a terrifying performance by Ben Foster, would take her to motel rooms to spar with men who would pay for the opportunity. —Esther Zuckerman, Time, 6 Sep. 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