The term "cut water" usually refers to the bow of a ship or boat's hull, which is designed to effectively slice through water. When it comes to antonyms for "cut water," there are a variety of options that could fit depending on the context. For example, some antonyms for the verb "cut" include join, connect, or unite, which could be used in the context of boat building or repairing. As for antonyms for "water," some options might be land, air, or fire, which could be used to contrast water with other elements or environments. Ultimately, the most appropriate antonyms for "cut water" will depend on the specific context and intended meaning.