Upwind/ˌʌpˈwɪnd/ Definition 1 of 2Pro Tip 1/3Scent Avoidance Use 'upwind' when you want to stay clear of smells or airborne particles. Walk upwind to avoid the smell from the landfill. Pro Tip 2/3Sailing Context 'Upwind' is often used when talking about sailing or flying to indicate direction. The sailboat tacked upwind to reach the buoy. Pro Tip 3/3Outdoor Planning Consider 'upwind' in camping or outdoor activities to avoid discomfort. Place the picnic area upwind of the dusty trail.