brainteaser
/ˈbɹeɪnˌtizɚ/noun
brainteaser is spelled B-R-A-I-N-T-E-A-S-E-R: 11 letters. It appears about once in every 30 million words in written English, the 165,739th most frequent word form (wordfreq, 2021 data). As a noun, brainteaser means “A problem or puzzle devised to exercise the brain and mind” (English Wiktionary, September 2026). The plural of brainteaser is brainteasers.
How many letters and syllables are in brainteaser?
| Letters | 11: B-R-A-I-N-T-E-A-S-E-R |
|---|---|
| In writing | about once in every 30 million words; the 165,739th 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 brainteaser?
Brainteaser appears about once in every 30 million words in written English, the 165,739th 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 brainteaser?
- US /ˈbɹeɪnˌtizɚ/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of brainteaser
- brainteasers plural
- brain teaser
- brain-teaser
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does brainteaser mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
informalA problem or puzzle devised to exercise the brain and mind.
She bought me a book of brainteasers, which is both entertaining and also supposedly good for decreasing dementia risk.
- 2
informalAny difficult problem or puzzle.
Trying to figure out how to square this circle is a brainteaser to say the least.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Brainteaser in Spanish, French, German and Portuguese
In the sense brainteaser:
| Language | Words |
|---|---|
| German | Kopfnuss, Kopfnuß, Denkaufgabe, Denksportaufgabe, harte Nuss, harte Nuß |
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 brainteaser come from?
From brain + teaser.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).