Was heißt »Wahnwitz« auf Englisch?

Das Substantiv »Wahnwitz« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

Anger is the beginning of folly.
I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind. For in much wisdom is much grief; and he who increases knowledge increases sorrow.
Not every error is to be called folly.
Twitter is a good example of absurdity.
They say everything's bigger in Texas, and that includes absurdity in law enforcement.
Seize the moments of happiness, love and be loved! That is the only reality in the world, all else is folly. It is the one thing we are interested in here.
He blushed at his folly.
No medicine can cure folly.
It is an act of folly.
It's folly to eat so much.
What a piece of folly!
You should be ashamed of your folly.