loggerheaded

boneheaded dense dimwitted doltish dumb empty-headed obtuse simple simpleminded thick-skulled thickheaded unintelligent

blockheaded boneheaded dense doltish dumb empty-headed half-witted obtuse simple simpleminded thick-skulled thickheaded unintelligent

blockheaded blockish boneheaded brainless cloddish dense dimwitted dumb empty-headed half-witted oafish obtuse simple simpleminded thickheaded unintelligent