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

In Cesena, Alessandri created the Wellness Valley in 2003, promoted by the Wellness Foundation, also his brainchild. — Martino Carrera, Footwear News, 21 Sep. 2026

This was the brainchild of Bob Hertzberg, a former Democratic Assembly speaker and Senate majority leader from the San Fernando Valley. — Los Angeles Times, 21 Sep. 2026

The fictional residence in the 1950s film was the brainchild of production designer Robert Boyle and was named for the movie’s antagonist, Phillip Vandamm, played by actor James Mason. — Demetrius Simms, Robb Report, 15 Sep. 2026

Sponsored by Hero Esports, the brainchild of Chinese billionaire Dino Ying, the event was the first of its kind outside China and a blueprint for a global sports league envisioned as Monster Trucks for the Terminator era. — Matthew Martin, semafor.com, 14 Sep. 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