Weak in intellect; foolish; empty-headed.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "shallow-brained" in a sentence
"While the speaker is describing his opponent as a "shallow-brained, slack-jawed liar, a bull ape of Mississippi politics, a big baboon cavorting like a fat pony on high cats," teeth are already sinking into fresh bread, thick slices of beef, and (the) incomparable sauce, the ladies are seeking glasses of lemonade from Uncle Si Curtis 'stand, and the men are passing out the corn liquor."
"I do not wonder for a moment that your equilibrium was disturbed by these shallow-brained women."
"'These shallow-brained fellows and some older ones that wear stars, that havn't head enough to cut loose from the Red-tape prejudice against us Volunteers, are a curse to the Army of the Potomac."