South/saʊθ/ Definition 1 of 5Pro Tip 1/3Cardinal Direction Used to describe one of four principal compass points. Our cottage faces south, receiving plenty of sunlight. Pro Tip 2/3Not Downward Don't confuse 'south' with 'down'; it refers to direction, not position. The river flows south, not downwards. Pro Tip 3/3Opposite of North Visualize the globe; 'south' means toward the South Pole. If you keep walking south, you'll eventually reach Antarctica.