Runs aground is a term used to describe when a ship or boat becomes stuck on a sandbar, rock, or other obstruction in the water. This can happen when the tide is low and the vessel is unable to move. In this crossword, the solutions for runs aground are BEACHES and STRANDS, both of which are seven letters long. BEACHES are areas of land along the shoreline of a body of water, usually composed of sand or small stones. STRANDS are similar to BEACHES, but they are typically narrower and composed of finer material such as mud or clay.