'Consecrate Yourselves' in the Bible

Joshua told the people, “Consecrate yourselves, because the Lord will do wonders among you tomorrow.”

Get up! Ritually consecrate the people and tell them this: 'Ritually consecrate yourselves for tomorrow, because the Lord God of Israel says, "You are contaminated, O Israel! You will not be able to stand before your enemies until you remove what is contaminating you."