Ocean greyhound is a term often used for a speedy and impressive vessel that travels across the open sea. Some popular synonyms for ocean greyhound include ocean liner, high-speed vessel, fast cargo ship, rapid transport, and swift tanker. These words refer to the same type of vessel that is capable of traversing long distances quickly and efficiently. Other phrases, such as ocean speedster, sea racer, and fast boat are also used to describe ships of this kind. Regardless of the term used, these ships are admired for their ability to traverse the ocean quickly and smoothly, making them vital components of modern global trade and commerce.