doltishness

denseness foolishness mindlessness simpleness slow-wittedness slowness

brainlessness dopiness stupidness

absurdity apathy idiocy ignorance lunacy nonsense silliness

asininity fatuity fatuousness imbecility imprudence incapacity ineptitude injudiciousness insensibility obtuseness puerility shallowness simplicity slowness sluggishness stolidity stupefaction stupor weakness

battiness brainlessness feeble-mindedness nitwittedness stupidness thick-headedness weak-mindedness

intelligence sense

acumen canniness judgment shrewdness wisdom