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

In the face of the law, a fan misreading an article is different from a promoter booking the wrong performer. — Jeff Ihaza, Rolling Stone, 29 Sep. 2026

This hurts airline net promoter scores (NPS) and on-time departure metrics. — Justin Newell, Forbes.com, 28 Sep. 2026

Delevingne, who plays Peter’s fellow promoter, became actual friends with Firstman at parties in LA and describes him as her spirit animal. — Rebecca Ford, Vanity Fair, 25 Sep. 2026

All shows for the Calvin Harris – Australia Tour 2027 have sold out, say reps promoters Untitled Group, Full Circle, and Live Nation, which are jointly producing the trek. — Lars Brandle, Billboard, 25 Sep. 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