Synonyms of brainchild

brainchild

noun

ˈbrān-ˌchī(-ə)ld 

as in innovation

something (as a device) created for the first time through the use of the imagination

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

Synonyms & Similar Words

• innovation
• invention
• creation
• product
• concoction
• coinage
• contrivance
• device
• conception
• wrinkle
• design
• gadget
• work
• contraption
• novelty
• gizmo
• dream
• vision
• origination
• fantasy
• imagining
• picture

Antonyms & Near Antonyms

• copy
• imitation
• reproduction
• clone
• duplication
• replica
• duplicate
• replication
• facsimile
• carbon copy
• dupe
• reduplication

Example Sentences

Recent Examples of brainchild

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

The brainchild of Albert Kanter, the son of Russian Jewish immigrants, these comic-book versions of the classics sold over 100 million copies and were distributed by 25,000 school districts. — Andrew Silow-Carroll, Sun Sentinel, 31 Aug. 2026