lunacy
noun
[ ˈluːnəsi ]
• the state of being a lunatic; insanity (not in technical use).
• "it has been suggested that originality demands a degree of lunacy"
Similar:
insanity,
madness,
mental illness,
derangement,
dementia,
dementedness,
insaneness,
loss of reason,
unsoundness of mind,
mental instability,
mania,
frenzy,
psychosis,
craziness,
Origin:
mid 16th century (originally referring to insanity of an intermittent kind attributed to changes of the moon): from lunatic + -acy.
