aberration abnormality alienation amentia arrested development backwardness blithering idiocy brain damage brainsickness clouded mind craziness cretinism daftness dementedness dementia derangement disorientation distraction folie furor half-wittedness idiocy idiotism imbecility infantilism insaneness insanity irrationality loss of mind loss of reason lunacy madness mania mental defectiveness mental derangement mental disease mental disorder mental disturbance mental handicap mental illness mental instability mental retardation mental sickness mind overthrown mindsickness mongolianism mongolism mongoloid idiocy moronism moronity oddness pixilation possession profound idiocy queerness rabidness reasonlessness retardation retardment senselessness shattered mind sick mind sickness simple-wittedness simplemindedness simpleness simplicity strangeness subnormality unbalance unbalanced mind unsaneness unsound mind unsoundness unsoundness of mind witlessness