blockheaded

If it fail, then anybody can see that failure is due solely to the clumsy and blockheaded manipulation of the adjutant.

The man had donned the disguise he had laid out for shore approach, and the blockheaded Bannock had never suspected.

Foreigners and foreigneering Englishmen say it is blockheaded denseness.

As Bishop of York but died in disentry in a church on his way to be blockheaded.