bullheadedly

Put briefly, the administration often is so determined to reverse or sabotage an Obama policy that it bullheadedly assumes that all that’s needed is for it to say so.

You could argue that Lochte knew what he was doing all along—that by being forcefully, bullheadedly himself, he’d either be believed or shrugged off as an idiot.

“The Clintons created huge problems of their own making,” Mr. Brinkley added, while “Obama’s problem is that he bullheadedly pushed Obamacare, and he happens to be African-American.”

"This is not the case of a horse-and-buggy company bullheadedly insisting that good times are around the corner despite the mass appeal of the automobile," Griesbach wrote.

One responsibility of a publisher is to represent the desires of scholars and research librarians as opposed to bullheadedly forcing them into areas they would not choose to enter.