Southerly/ˈsʌðərli/ Definition 1 of 2Pro Tip 1/3Weather Related Use 'southerly' to describe weather patterns or wind directions. The forecast indicates a strong southerly breeze this afternoon. Pro Tip 2/3Journey Direction 'Southerly' helps specify the direction of travel or navigation. Our voyage will take a southerly route to avoid the storm. Pro Tip 3/3Cultural Associations In many cultures, 'southerly' winds are associated with warmth and growth. The farmers welcomed the southerly winds, heralding the onset of spring.