thickskulled

This doesn’t even have to be confined to the voicing of theistic evolutionists, it can also come from neutral treatments outside of purely religion/science, like Dr. Pennock’s books on Creationism which don’t ever give the impression of any personal religious beliefs at all but present the cases free of bias, informatively and academically, while still revealing the anti-evolutionist movers to be clownishly inept and hopelessly thickskulled besides being factually wrong.

Our "innate" tendency to infer purpose in nature" - The Panda's Thumb 2006

But now, where is that heathen or heretic that must not presently stoop to such wire-drawn subtleties, unless he be so thickskulled that he can’t apprehend them, or so impudent as to hiss them down, or, being furnished with the same tricks, be able to make his party good with them?

In Praise of Folly c. 1466-1536 1958