smartness Antonyms

claptrap thickness denseness amateurishness blockheadedness boneheadedness brainlessness cack-handedness chumpishness dim-wittedness doltishness dopiness dorkiness dulness empty-headedness dull-headedness stupidity slowness clumsiness craziness deficiency density dimness doziness dullness dumbness failure fatuity foolishness ineptness insipience obtuseness silliness dull-wittedness