As to Christian or unchristian, I repudiate your canting palavering Christianity; and as to the way in which I spend my income, it is not my principle to maintain thieves and cheat offspring of their due inheritance in order to support religion and set myself up as a saintly Killjoy.
He can't repudiate her just because she was mistaken about her heart disease.
"I utterly repudiate any debt to French impressionism.
A special mention to Sarah Palin who invented a new word "refudiate"; the usage suggests she meant repudiate.