Appears 2 times in the Quran. (Root: شطط)
  1. And We strengthened their hearts with patience, when they stood up and said: Our Lord is the Lord of the heavens and the earth; we will by no means call upon any god besides Him, for then indeed we should have said an extravagant thing.

  2. And that the foolish amongst us used to forge extravagant things against Allah: