A streak of lightning is a powerful natural phenomenon that can be described using a variety of synonyms. Some of the most common alternatives for this term include flash of lightning, bolt of lightning, lightning strike, lightning bolt, and thunderbolt. Additionally, other descriptive phrases can also be used to convey the intensity and suddenness of lightning, such as "blinding flash," "searing bolt," and "electric explosion." By combining different descriptive words and phrases, it's possible to paint a vivid picture of a streak of lightning that captures its raw power and energy.