The term 'keep afloat' can be broken down into four crossword solutions: SURVIVE (7 letters), SWIM (4 letters), BUOY (4 letters), and buoyup (6 letters). To keep afloat is to remain in a stable or safe position, often in the face of difficulty. To SURVIVE is to remain alive or in existence, while to SWIM is to move through water by using one's limbs. A BUOY is an object that floats on the surface of the water and is used to mark a location or provide support. Finally, buoyup is an informal term meaning to lift up or support. Together, these solutions provide a comprehensive understanding of the term 'keep afloat'.