speak impromptu

How to use speak impromptu in a sentence

• I have no views but only speak impromptu, and life would be very monotonous if one thought and said the same things every day.

  Fair Haven and Foul Strand | August Strindberg

• The average collegian will write poetry18 by the yard or speak impromptu by the hour.

  Up the Orinoco and down the Magdalena | H. J. Mozans