Atomic wastes, also known as nuclear wastes, refer to the hazardous byproducts generated from nuclear power plants and nuclear weapons production. These potentially deadly materials require proper handling and disposal to prevent contamination of the environment and the health of living beings. There are several synonyms for the term atomic waste, including radioactive waste, nuclear waste, spent fuel, and depleted uranium. The use of these synonyms highlights the different types and stages of atomic wastes generated in the nuclear industry and their potential hazards. Understanding these synonyms is essential in promoting better communication and regulation in the management of atomic wastes.