Powerboats are a type of watercraft that use powerful engines to move through the water. There are a variety of synonyms for powerboats depending on their specific design and purpose. Some common alternatives include speedboats, motorboats, and runabouts. Other types of boats that could be considered a synonym for powerboats include jet skis, yachts, and cruisers. Each of these boats may have specific features such as hull designs, seating arrangements, and engine sizes, however they all share the common element of being powered by engines rather than sail or oar power. Each synonym for powerboats has its own unique features and capabilities that make them suited for specific water-based activities such as racing, fishing, or leisurely cruising.