"We forgive much to the impetuousness of youth," said he, very coldly.
I would have rushed on it with a boy's impetuousness, but he stopped me with a hand on the sleeve.
The glistening youth of Aaron, the impetuousness of Lilly fascinated him.
She was not being facetious, for in her impetuousness she had tried, and broken the umbrella.
That is, the impetuousness of his thought ...