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

Local venue and promoter pre-sale will begin on March 25, with tickets going on sale on March 27. —Payton Turkeltaub, Variety, 25 Mar. 2026

Today, the self-congratulation of white liberals has been displaced by white-supremacist promoters of Western civilization who don’t merely posit but brutally enforce inequality between races, peoples, cultures, and nation-states. —Christine Smallwood, Harpers Magazine, 24 Mar. 2026

Presale opportunities through the tour’s promoter Live Nation begin Thursday. —Christopher Arnott, Hartford Courant, 23 Mar. 2026

This sparks an idea in Pacquito Villa and Franck Churchill, who is the White manager of several YMCAs in the Philippines and a promoter, to market Francisco and other Filipino fighters to American audiences, especially that Filipino fighters can fight and be used for profit. —Lisa Deaderick, San Diego Union-Tribune, 22 Mar. 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
• 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