dementia derangement insanity lunacy madness mania unreason disbelief ignorance inability ineptness instability irrationality misinterpretation mistake misunderstanding stupidity physicality body unsoundness weakness incompetence incapacity inanity craziness emotion unreasonableness misjudgement misjudgment indecision disorganization impotence poverty need lack permanent debt simpleton dumdum dumbo neglect disinclination corporeality being amnesia reality disorganisation imprudence indiscretion folly foolishness impracticality idiocy senselessness silliness injudiciousness brainlessness simplicity mindlessness obtuseness asininity irresponsibility improvidence inadvisability insensibility unwariness illogicality imbecility incaution fatuousness fatuity unwisdom nonsense dullness thing indolence unemployment cowardice idleness naivety carelessness insensitivity absurdity naivete incomprehension cluelessness unfamiliarity nescience bewilderment thoughtlessness thickness illiteracy benightedness dumbness unawareness philistinism disregard bêtise obliviousness dimness