bu
Portuguese, interjection/ˈbu/
bu is spelled B-U (2 letters) and appears 1.8 times per million words in written Portuguese, the 23,930th most frequent Portuguese word form (wordfreq, 2021 data). Bu is a Portuguese interjection meaning “boo (loud exclamation intended to scare someone)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “expressa susto”.
What does bu mean in English?
interjection
- 1
boo (loud exclamation intended to scare someone)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
interjection: 1. expressa susto 2. proferida com o intuito de causar susto
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of bu
- bu! canonical
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce bu?
- Brazil /ˈbu/
- Portugal /ˈbu/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to bu
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is bu in Portuguese?
bu appears 1.8 times per million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).