how long

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English

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Adjective

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how long

  1. Used literally: what length.
    How long is that piece of string?
    I don't know how long the Amazon River is.
  2. Used literally: what duration.
    How long is the flight?
    How long is it to lunch?

Derived terms

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Translations

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Adverb

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how long

  1. Used literally: for what duration.
    How long have you lived in Chicago?
    He won't tell me how long he is going to stay.

Translations

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