Brainchild

//ˈbɹeɪnt͡ʃaɪld// noun, verb, slang

noun, verb, slang ·Common ·High school level

Definitions

Noun
  1. 1
    A creation of one's brain; an original idea or innovation of a person or group of people, an organization, etc. informal

    "The entire project was the brainchild of a small group of visionaries."

  2. 2
    a product of your creative thinking and work wordnet
Verb
  1. 1
    To think up (an idea or innovation); to come up with. rare, transitive

    "John Law brainchilded the establishment of a national bank to expedite and secure the creation of credit."

Synonyms

All synonyms
inspirationapparitionart objectart workarticleartifact

Example

More examples

"Established by the U.S. Congress in 1846, the Smithsonian was the brainchild of James Smithson, a wealthy English chemist who left his estate to the United States for the establishment of an institution in the nation’s capital “for the increase and diffusion of knowledge.”"

Etymology

From brain + child.

More for "brainchild"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.