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

Beauty veteran Carisa Janes is bringing her newest brainchildren to physical retail. — Noor Lobad, Footwear News, 10 Sep. 2026

The decision to carve out a Sunday evening gridiron showcase was the brainchild of former NBC Sports chief Dick Ebersol, who steered sports and late night at NBC for more than two decades. — Cynthia Littleton, Variety, 9 Sep. 2026

Getting Rolling RoboBall is the brainchild of Jangale’s advisor, former NASA robotics engineer Robert Ambrose, who first conceived of the design in 2003. — IEEE Spectrum, 3 Sep. 2026

The first publicly available fund tracking the S&P 500 index was the brainchild of the late John Bogle, founder of The Vanguard Group. — Medora Lee, USA Today, 31 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