Detailed description and alternate definitions of the word 'lunacy':

Intermittent mental derangement associated with the changing phases of the moon.

Insanity, especially insanity relieved intermittently by periods of clear-mindedness.

A wildly foolish act.

Great or wild foolishness.
Synonyms of word 'lunacy' :

craziness

madness

tomfoolery

foolery

indulgence

folly

insaneness
Usage of the word 'lunacy' in Sentences :

lunacy of the food world.

Bryson highlights the lunacy of applying Latin grammar to a Germanic language and the smug, slimy pedants it has given us.

lunacy law of this country for another seven decades.

By the word religion I've seen the lunacy of fanatics of every demonination be called the will of God.

His drug induced lunacy and gimmickry offered a break from Homme's ultra-cool, focused, drudgery.

lunacy commissions for England in the twentieth century.

How can a simple man compete against such inspired lunacy?

The black abolitionists had respect for Brown but thought the plan lunacy.
Usage of the word 'lunacy' in popular media :
Washington Post —
“to give an authority without any experience these powers has to be considered
lunacy at the very least!....
”
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Wall Street Journal —
“no opinion in a moment of possible total
lunacy i have got in again....
”
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