as dumb as a sack of hammers Antonyms

able-minded philosophical polymathic qualified read savant scholarly scholastic sharp-witted sly versatile versed well-informed well-read witty au courant autodidactic well-educated pedantic omniscient acquainted artful bookish booky capable cerebral cognizant conversant discriminating encyclopedic erudite imaginative innovative lettered literary literate many-sided eggheaded