How to Say “Either Or” in Spanish

o … o
/o o/word by word
The English phrase "either or" is translated into Spanish as o … o.
The phrase is used to present a choice between two mutually exclusive possibilities. It functions as a correlative conjunction that splits the sentence to connect the two alternatives.

Which one should you use?

While o … o is the standard way to express this choice, the phrase o bien … o bien is a more formal alternative. In formal contexts, you may also see Ya sea… o used to present two exclusive alternatives, or the structure Sea… sea to present two possible choices in a clear and concise manner.

How does it change in a sentence?

o … o is a correlative pair that splits the sentence in order to connect two alternatives.

How do you pronounce it?

/o o/

Did you know?

  • While o is the standard word for 'or', it is replaced by u if the next word starts with an 'o' or 'ho' sound to avoid two identical vowels clashing.
  • The formal alternative sea… sea is derived from the subjunctive mood of the verb 'ser' (to be), meaning 'it be… it be'.
  • The formal alternative o bien is often used in legal or academic writing to ensure that the choice between two options is interpreted as strictly exclusive.

Examples in context

  • O vienes conmigo o te quedas aquí.
    Either you come with me or you stay here.

Sources

  • IPA marked “word by word” joins the Wiktionary pronunciations of each word (o) and can differ in connected speech.
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Debbie Olivia
Debbie OliviaHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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