The phrase "retiring tide" is often used to describe the ebbing of the ocean waters. It refers to the moment when the tide is going out and is often associated with a peaceful and calming feeling. There are several synonyms that can be used to describe the retiring tide, including receding tide, withdrawing tide, and ebbing tide. Each of these words is commonly used to describe the moment when the tide is receding and the water levels are decreasing. Other related synonyms include low tide and falling tide, which also refer to the moment when the tide is ebbing and the water levels are dropping.