Lightning is a natural phenomenon that occurs during thunderstorms. It is caused by the buildup of electric charges in the atmosphere, which are released in a sudden burst of energy. The word lightning is often used to describe this phenomenon, but there are several synonyms that are commonly used as well. Some of these include thunderbolt, bolt of lightning, electrical discharge, flash of light, and streak of lightning. Each of these synonyms conveys a different aspect or characteristic of lightning, such as its suddenness, brightness, or electrifying power. Overall, these synonyms provide a diverse vocabulary for describing one of nature's most awe-inspiring displays.