The Collaborative International Dictionary
Blockheaded \Block"head`ed\, a. Stupid; dull.
a. Resembling a blockhead; stupid
Usage examples of "blockheaded".
It is a common blockheaded trick to serenade and disturb people at midnight, I am come to serenade you at nine.
Green opines that if Boston AA is a cult that like brainwashes you, he guesses he'd got himself to the point where his brain needed a good brisk washing, which Lenz knows is not an original view, being exactly what big blockheaded Don Gately repeats about once a diem.