common sense Antonyms

silliness ridiculousness nonsensicality schizophrenia inadvisability fruitlessness dementedness imbalance miscalculation moronity unsoundness befuddlement unbalance shapelessness balminess double Dutch psychoneurosis betise fatuousness atypicality singularity strangeness stupidity tomfoolery triviality unintelligence unreason unwisdom vacuity vapidity weirdness wildness zanyism unreasonableness recklessness awkwardness arrested development mongolianism mongolism witlessness bad judgment definite value individual knowledge firsthand knowledge own knowledge first hand knowledge specific meaning subjective perception certain meaning definite meaning