There are several synonyms for the term "organic lake". An organic lake is a body of water that is naturally or synthetically created, and supports a diverse range of aquatic life. Some synonyms for an organic lake are natural lake, ecological lake, and biologic lake. A natural lake is a freshwater body that is created by natural processes such as glaciers and tectonic activity. An ecological lake is a body of water that supports the growth of plants and animals and has a balanced ecosystem. A biologic lake is a body of water that is rich in organic matter and nutrients that support the growth of algae and other aquatic life forms. Overall, these synonyms provide alternative ways to describe an organic lake based on different aspects of its formation and biological makeup.