noun · verb · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈbɹeɪnt͡ʃaɪld/
General-American:/ˈbɹeɪnˌt͡ʃaɪld/
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:B R EY1 N CH AY2 L D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A creation of one's brain; an original idea or innovation of a person or group of people, an organization, etc.
Definition source: English Wiktionary via Wiktextract
Usage: informal
Examples
The entire project was the brainchild of a small group of visionaries.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To think up (an idea or innovation); to come up with.
Definition source: English Wiktionary via Wiktextract
Usage: rare, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a product of your creative thinking and work
Definition source: Princeton WordNet 3.0
Examples
he had little respect for the inspirations of other artists
after years of work his brainchild was a tangible reality
Meaning relationships
Synonyms: inspiration
Antonyms: none provided
Broader terms: product, production
History
Etymology
From brain + child.
Across languages
Translations
23 source translations are retained for this English entry.
Abkhaz:
аԥҵа́мҭа
(apcʼámta)
— creation of one’s brain — see also idea, innovation
Abkhaz:
а́ҟаҵамҭа
(áqʼacʼamta)
— creation of one’s brain — see also idea, innovation
Arabic:
بنت الفكر
— creation of one’s brain — see also idea, innovation
Arabic:
وليدة فكر
— creation of one’s brain — see also idea, innovation
Arabic:
فكرة مبتكرة
— creation of one’s brain — see also idea, innovation
Chinese Mandarin:
智力产物
— creation of one’s brain — see also idea, innovation
Chinese Mandarin:
主意
— creation of one’s brain — see also idea, innovation
Dutch:
geesteskind
— creation of one’s brain — see also idea, innovation
Dutch:
hersenkind
— creation of one’s brain — see also idea, innovation
Dutch:
idee
— creation of one’s brain — see also idea, innovation
Finnish:
luomus
— creation of one’s brain — see also idea, innovation
French:
création
— creation of one’s brain — see also idea, innovation
German:
Geistesprodukt
— creation of one’s brain — see also idea, innovation
German:
geistiges Kind
— creation of one’s brain — see also idea, innovation
Hungarian:
agyszülemény
— creation of one’s brain — see also idea, innovation
Italian:
frutto ingegno
— creation of one’s brain — see also idea, innovation
Polish:
wynalazek
— creation of one’s brain — see also idea, innovation
Portuguese:
criação
— creation of one’s brain — see also idea, innovation
Russian:
де́тище
(détišče)
— creation of one’s brain — see also idea, innovation
Spanish:
bodeguero
— creation of one’s brain — see also idea, innovation
Spanish:
invención
— creation of one’s brain — see also idea, innovation
Swedish:
tankefoster
— creation of one’s brain — see also idea, innovation
Turkish:
buluş
— creation of one’s brain — see also idea, innovation