'Sinned' in the Bible

So Aaron said to Moses, "O my lord, please do not hold this sin against us, in which we have acted foolishly and have sinned!

And early in the morning they went up to the crest of the hill country, saying, "Here we are, and we will go up to the place that the Lord commanded, for we have sinned."

As for the censers of these men who sinned at the cost of their lives, they must be made into hammered sheets for covering the altar, because they presented them before the Lord and sanctified them. They will become a sign to the Israelites."

Then the people came to Moses and said, "We have sinned, for we have spoken against the Lord and against you. Pray to the Lord that he would take away the snakes from us." So Moses prayed for the people.

Balaam said to the angel of the Lord, "I have sinned, for I did not know that you stood against me in the road. So now, if it is evil in your sight, I will go back home."

"But if you do not do this, then look, you will have sinned against the Lord. And know that your sin will find you out.