obtuse Synonyms

dull dense dim dim-witted dumb thick purblind blunt slow acute angle dimmer empty-headed undiscerning witless unsusceptible simple-minded torporific slow-witted stolid stupid subduable terebrate imperceptive thick-skinned thick-skulled toothless thudding spherical angle dopey lamebrained unsharpened simpleminded slow on the uptake thick-witted uncomprehending unperceptive unpointed unintelligent half-assed imbecilic boneheaded nitwitted fatheaded thickheaded wooden-headed moronic birdbrained dimwitted unscholarly simple