brainchild
brain·child/ˈbɹeɪnˌt͡ʃaɪld/noun, verb
brainchild is spelled B-R-A-I-N-C-H-I-L-D: 10 letters and 2 syllables (brain·child). It appears about once in every 2 million words in written English, the 38,863rd most frequent word form (wordfreq, 2021 data). As a noun, brainchild means “A creation of one's brain; an original idea or innovation of a person or group of people, an organization, etc” (English Wiktionary, September 2026). The plural of brainchild is brainchilds or brainchildren.
How many letters and syllables are in brainchild?
| Letters | 10: B-R-A-I-N-C-H-I-L-D |
|---|---|
| Syllables | 2: brain·child |
| In writing | about once in every 2 million words; the 38,863rd most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is brainchild?
Brainchild appears about once in every 2 million words in written English, the 38,863rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce brainchild?
- UK /ˈbɹeɪnt͡ʃaɪld/
- US /ˈbɹeɪnˌt͡ʃaɪld/
Brainchild has 2 syllables, split brain·child in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-brainchild.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of brainchild
- brainchilds plural, present, singular, he/she/it
- brainchildren plural
- brainchilding participle, present
- brainchilded participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does brainchild mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
informalA creation of one's brain; an original idea or innovation of a person or group of people, an organization, etc.
The entire project was the brainchild of a small group of visionaries.
verb
- 1
rareTo think up (an idea or innovation); to come up with.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Brainchild in Spanish, French, German and Portuguese
In the sense creation of one’s brain – see also idea, innovation:
| Language | Words |
|---|---|
| French | création |
| German | Geistesprodukt, geistiges Kind |
| Portuguese | criação |
| Spanish | bodeguero, invención |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does brainchild come from?
From brain + child.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).