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oi

Portuguese, interjection/ˈoj/

oi is spelled O-I (2 letters) and appears 155 times per million words in written Portuguese, the 629th most frequent Portuguese word form (wordfreq, 2021 data). Oi is a Portuguese interjection meaning “hey” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “expressa cumprimento que se faz ao encontrar uma pessoa”.

What does oi mean in English?

interjection

  1. 1

    hey

    Oi, Maria!

interjection

  1. 1

    Brazilinformalsorry? I beg your pardon? excuse me? (request to repeat a message that wasn’t heard or understood clearly)

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

interjection: 1. expressa cumprimento que se faz ao encontrar uma pessoa 2. expressa resposta que se dá quando se é chamado indicando que se está presente a prestar atenção 3. expressa chamamento à atenção de alguém em específico 4. expressa chamamento à atenção em situações em que não se sabe da presença ou não de alguém no recinto ou local

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.

How do you pronounce oi?

  • Brazil /ˈoj/
  • Brazil [ˈoɪ̯]
  • Portugal /ˈoj/

Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to oi

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is oi in Portuguese?

oi appears 155 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).

What to look up after oi