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

• advocate
• advocator
• apostle
• backer
• booster
• champion
• espouser
• exponent
• expounder
• friend
• gospeler
• gospeller
• herald
• hierophant
• high priest
• paladin
• proponent
• protagonist
• supporter
• true believer
• tub-thumper
• white knight

Examples of promoter in a Sentence

a promoter of greater understanding and cooperation among churches

Recent Examples on the Web

Listen to this article 3 min Professional boxer Georgia O'Connor, 25, has died after a bout with cancer, the professional boxer's promoter, Boxxer, said. —Chantz Martin, FOXNews.com, 23 May 2025

The death of the 25-year-old British professional boxer was announced on Thursday, May 22, by her promoter, Boxxer, in a statement obtained by The Guardian. —Angel Saunders, People.com, 23 May 2025

Her tragic passing was confirmed by her promoter, Ben Shalom, on Thursday. —David Matthews, New York Daily News, 22 May 2025

Apparently not: whatever obstacles there may have been before, the original group will be performing together for the first time in three and a half decades this weekend, at the behest of Goldenvoice, for the promoter’s annual Cruel World festival in Pasadena. —Chris Willman, Variety, 16 May 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