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

Garden Works, about 30 miles northwest of downtown Detroit, is the brainchild of veteran landscape and garden designer Deborah Silver, who grafts fine art and style onto the world of horticulture. —Teresa Woodard, Midwest Living, 10 Apr. 2026

The adorable plush is the brainchild of 8-year-old Lucas Ye. —Miles Doran, CBS News, 10 Apr. 2026

Now in its second year, the Shakti Design Residency is the brainchild of Shalini Misra, a forward-thinking philanthropist and interior designer who lives and works between New Delhi, London, and New York. —Sarah Medford, Architectural Digest, 8 Apr. 2026

The project is the brainchild of Zita Cobb, who grew up on Fogo and made her fortune in Silicon Valley before becoming a very different kind of entrepreneur. —Akash Kapur, Travel + Leisure, 7 Apr. 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