how long

English

Adjective

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 are you here for? ~ Until the end of next month.
    How long have you already been here (for)? ~ Since last Friday
    How long is it to lunch?
    How long ago did you stop playing tennis?

Derived terms

Translations

Adverb

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