You know his temper to be wilful, sudden, haughty, and unpersuadable.
He was unreasonable and unpersuadable and used intemperate language.
I wish, for both our sakes, my dear unpersuadable girl, that the decision of this point lay with me.
Cecil represented that Rosamond ought to stay and receive her bridal visits; but she was unpersuadable.
The unpersuadable point, which ...