The Collaborative International Dictionary
Dull-brained
Dull-brained \Dull"-brained`\, a.
Stupid; doltish.
--Shak.
Usage examples of "dull-brained".
Although somewhat dull-brained and little used to acting on their own initiative, they were not long in realizing that the giant who was supposed to be kept out of the way so that he would not queer the game of their strangely-behaving master and his tricky gray-clad lieutenant had appeared.