weak-mindedness

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 doltishness feeble-mindedness nitwittedness stupidness thick-headedness

intelligence sense

acumen canniness judgment shrewdness wisdom