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

Despite tech companies’ promises about the capabilities of generative AI, the technology has frequently fallen short of its promoters’ lofty ambitions to streamline drudgery and free up humans to do more creative, fulfilling work. —Allison Morrow, CNN Money, 28 Oct. 2025

Drake and Ross have been high-profile promoters of Stake, receiving millions from the company to engage in livestream gambling promoting the platform. —Nancy Dillon, Rolling Stone, 28 Oct. 2025

Shakira sold 65,000 tickets per night, according to promoter OCESA, for a total of 780,000 tickets sold. —Leila Cobo, Billboard, 28 Oct. 2025

According to Complex, Turk recently filed a lawsuit against the tour promoters of the Cash Money Millionaires' 30th Anniversary Tour, alleging a pay discrepancy after being removed from the lineup. —Taylor Ardrey, USA Today, 27 Oct. 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