The term 'move effortlessly' can be described by three crossword solutions: GLIDE (5 letters), SAIL (4 letters), and COAST (5 letters). GLIDE is a smooth, effortless movement, often used to describe the movement of an object through air or water. SAIL is the act of propelling a boat or ship through the water using wind power. COAST is the act of moving along a surface with little or no effort, such as a vehicle on a downhill slope. All three words imply a sense of ease and effortlessness in movement.