Skip to main content

bi

Portuguese, noun

bi is spelled B-I (2 letters) and appears 9.8 times per million words in written Portuguese, the 7,515th most frequent Portuguese word form (wordfreq, 2021 data). Bi is a Portuguese feminine noun meaning “clipping of bissexual (“bisexual person”)” (English Wiktionary, September 2026). With a capital, BI is a different word: “initialism of bilhete de identidade (“ID card”)”. The Portuguese Wiktionary (Wikcionário) defines it as “bissexual”.

What does bi mean in English?

adjective

  1. 1

    colloquialclipping of bissexual (“sexually attracted to persons of either sex”)

noun

  1. 1

    colloquialfemininemasculineclipping of bissexual (“bisexual person”)

noun

  1. 1

    Brazilfeminineslangclipping of bicha (“flamer”)

prefix

as bi-
  1. 1

    bi- (two-)

noun

as BI
  1. 1

    masculineinitialism of bilhete de identidade (“ID card”)

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

How Portuguese dictionaries define it

adjective: 1. bissexual

noun: 1. bissexual

noun: 1. termo de tratamento para homossexual do sexo masculino (denota familiaridade, amizade ou amistosidade para com o mesmo)

abbreviation: 1. batalhão de infantaria. 2. Bilhete de Identidade.

symbol: 1. símbolo do elemento químico de nome bismuto

prefix: 1. exprime a noção de dois, duplo, duas vezes

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 bi

  • bis plural
  • BIs plural

Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).

English words that translate to bi

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

How common is bi in Portuguese?

bi appears 9.8 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).

What to look up after bi