unpersuadable

I went to Ohio and found hope, change, and a lot of unpersuadable voters.

But having cajoled or coerced Jack to the pierhead, he seemed unpersuadable to the final step of getting aboard.

Cecil represented that Rosamond ought to stay and receive her bridal visits; but she was unpersuadable.

You know his temper to be wilful, sudden, haughty, and unpersuadable.

I wish, for both our sakes, my dear unpersuadable girl, that the decision of this point lay with me.

He was unreasonable and unpersuadable and used intemperate language.