bewilderment disregard illiteracy insensitivity blindness callowness crudeness darkness denseness dumbness fog incapacity incomprehension innocence nescience oblivion obtuseness philistinism rawness sciolism shallowness simplicity unawareness unconsciousness uncouthness unenlightenment unfamiliarity vagueness benightedness empty-headedness half-knowledge inscience lack of education mental incapacity naivete unscholarliness