'Presumptuously' in the Bible

The man who does presumptuously, in not listening to the priest who stands to minister there before Yahweh your God, or to the judge, even that man shall die: and you shall put away the evil from Israel.

All the people shall hear, and fear, and do no more presumptuously.

But the prophet, who shall speak a word presumptuously in my name, which I have not commanded him to speak, or who shall speak in the name of other gods, that same prophet shall die."

when a prophet speaks in the name of Yahweh, if the thing doesn't follow, nor happen, that is the thing which Yahweh has not spoken: the prophet has spoken it presumptuously, you shall not be afraid of him.