witlessness Synonyms

absurdity puerility silliness stupidity unintelligence unreason feeblemindedness denseness fatuousness balminess mindlessness brain damage illogicality illogicalness senselessness psychopathy obtuseness absurdness asininity craziness daftness fatuity folly fumishness idiocy imbecility inanity insaneness insanity irrationality lunacy slow-wittedness