SlangMeaning & UsageOrigin & LanguageExamplesWhere It’s Used
bohI don’t know / who knowsItaly, Italian (colloquial)“Boh, non so.” (I don’t know.)Italy, Europe

Definition & Description of Boh

Boh is an Italian slang interjection meaning “I don’t know,” “no idea,” or “who knows.” It’s often used with a shrug and a casual tone, making it more expressive than simply saying non lo so (“I don’t know”).

It’s extremely common in everyday conversation and perfectly mild—neither rude nor overly formal. Depending on how it’s pronounced, boh can convey uncertainty, indifference, or even resignation.

Because it’s a single syllable, it’s frequently used alone as a complete response. Italians might stretch it out (“booooh”) for emphasis when they really have no clue.

Examples of Boh

  • “Sai dove sono tutti?”“Boh!” (Do you know where everyone is? — No idea!)
  • “Che cosa facciamo adesso?”“Boh, vediamo.” (What do we do now? — I don’t know, we’ll see.)

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