brainchild

noun

brain·​child ˈbrān-ˌchī(-ə)ld 

: a product of one's creative effort

Synonyms of brainchild

• innovation
• invention
• creation

Examples of brainchild in a Sentence

The museum is the brainchild of a wealthy art collector.

the artificial language Esperanto was the brainchild of L. L. Zamenhof, a Polish oculist

Recent Examples on the Web

Although the brainchild for this race began several years ago, the campaigning for this event began in August 2025. — Bruce Martin, Forbes.com, 22 Aug. 2026

Casa Bonavita, Malta Opened in May, this escape is the brainchild of Christopher and Suzanne Sharp, the founders of The Rug Company. — Matt Ortile, Condé Nast Traveler, 20 Aug. 2026

The Portal Cinema is the brainchild of founder and SF native Nellie Killian, who returns to the Bay Area after two decades in New York City as a film programmer and curator. — Ryan Lattanzio, IndieWire, 20 Aug. 2026

The shirts are the brainchild of TOGETHXR, a brand founded by Sue Bird and other activist athles. — Joe Kinsey Outkick, FOXNews.com, 18 Aug. 2026

Word History

First Known Use

1628, in the meaning defined above

Rhymes for brainchild

• beguiled
• compiled
• defiled
• exiled
• grandchild
• profiled
• refiled
• reviled
• stepchild
• stockpiled
• domiciled
• reconciled