lunacy (n.)
- aberration
- abnormality
- absurdity
- alienation
- asininity
- buffoonery
- crankiness
- craziness
- daftness
- dementedness
- dementia
- derangement
- disorientation
- distraction
- eccentricity
- fatuity
- fatuousness
- folie
- folly
- foolery
- foolhardiness
- foolishness
- frivolity
- frivolousness
- furor
- giddiness
- idiocy
- illogic
- illogicality
- imbecility
- inanity
- ineptitude
- insaneness
- insanity
- irrationality
- madness
- mania
- mindlessness
- oddness
- possession
- psychopathy
- psychosis
- queerness
- rabidness
- ridiculousness
- senselessness
- sickness
- silliness
- strangeness
- stupidity
- thoughtlessness
- triviality
- unbalance
- unsoundness
- weirdness
