The phrase "athwart the hawse" is a nautical term that means something is positioned in the ship's path or blocking its course. Some common synonyms for this phrase include "across the bow," "ahead," "in the way," and "obstructing." Other related terms that may be used in a nautical context include "in the path of," "impeding," "hindering," and "interfering with." Using synonyms for "athwart the hawse" can help to convey the same meaning in different ways, depending on the context and the intended effect. Regardless of the specific term used, sailors and other nautical enthusiasts understand the importance of navigating safely and efficiently around any obstacles they encounter.