From Longman Dictionary of Contemporary Englishroad to Damascusroad to Damascusa situation in which someone experiences a sudden and complete change in their opinions or beliefs. The phrase is based on the story in the New Testament of the Bible, in which St Paul saw a blinding light and heard God's voice while he was travelling on the road to Damascus. He immediately became a Christian. → Damascusroad to Damascusroad to Damascusa situation in which someone experiences a sudden and complete change in their opinions or beliefs. The phrase is based on the story in the New Testament of the Bible, in which St Paul saw a blinding light and heard God’s voice while he was travelling on the road to Damascus. He immediately became a Christian. → road