vacuous Synonyms

empty mindless hollow untenanted unoccupied uninhabited witless void vapid vacant unideaed unexpressive toom thoughtless thick tenantless airheaded empty-headed unfilled uncomprehending pea-brained lamebrained unintelligent imbecilic birdbrained moronic nonmeaningful meaningless wooden-headed thickheaded boneheaded unreasoning dopey stupid slow doltish dim devoid dense daft cretinous crazy chuckleheaded brainless bovine blank barren bare dozy dull