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

However, the promoter of the event has stepped in to clarify the situation. —Andrew Ravens‎, MSNBC Newsweek, 17 Nov. 2025

But eventually, the show’s promoter, Baltic Live Agency, chose to cancel the gig outright. —Jon Blistein, Rolling Stone, 14 Nov. 2025

At press time, spokespeople for the band and the promoter had not returned Billboard‘s request for comment. —Gil Kaufman, Billboard, 14 Nov. 2025

Musicians, producers, promoters, executives and other music business personnel representing decades of Indiana music history were interviewed for the project. —Heather Bushman, IndyStar, 13 Nov. 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