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

Reps for Jay-Z and Live Nation, the concert’s promoter, did not immediately respond to Variety’s requests for comment. — Jem Aswad, Variety, 13 July 2026

Trufero, the main promoter of this change, said the restaurant staff did not object to the ruling. — Sol Amaya, CNN Money, 13 July 2026

Fortunately, none of these shows will be need to canceled or rescheduled by Monday’s accident, according to promoter KC Turner. — Jim Harrington, Mercury News, 13 July 2026

Neither is the other up-and-coming boxer at Danny’s lunch meeting with the big Vegas promoter. — Andy Andersen, Vulture, 10 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