A powerful laser is a high-energy beam of light that is used for a wide range of applications, including cutting, welding, and drilling. However, there are other terms you can use to describe a powerful laser, such as a high-intensity laser, a strong laser beam, a formidable laser, a potent laser, or a robust laser. All of these adjectives emphasize the strength and efficiency of the laser beam. When choosing synonyms for the term "powerful laser," it is important to consider the context in which the word will be used to ensure that the chosen synonym accurately conveys the intended meaning.