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 June, DeSantis announced that the detention center, a brainchild of his attorney general, James Uthmeier, was shutting down and had served its purpose. — Alex Harris, Miami Herald, 13 July 2026

Hendrix was the brainchild of the late Rainer Schwarz and John Nye, the duo behind Driftwood Kitchen and The Deck. — Brock Keeling, Oc Register, 7 July 2026

The school, registered with Guinea's educational authorities but not receiving government funding, is the brainchild of Mariam Aisha Barry, a social worker and philanthropist who said her daughter with autism was her inspiration. — ABC News, 4 July 2026

The block party, with hundreds of fans lining the streets, was in part the brainchild of East Providence’s mayor, Roberto DaSilva. — Jesus Jiménez, New York Times, 30 June 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