Hydrofoils are a type of boat that are designed to skim over the water's surface using wings or foils. There are several synonyms for the word hydrofoil, including foilborne, hydroplane, or winged boat. These types of boats are popular for their high speed and efficiency, and are often used for passenger transport or racing. Another synonym for hydrofoil is airboat which would be used when the boat is used in an area with shallow water or marshy land. Regardless of the name used, hydrofoils are an exciting and unique type of watercraft that offer a thrilling ride and smooth handling over the waves.