Sunshine/ˈsʌnʃaɪn/ Definition 1 of 3Pro Tip 1/3Outdoor Activities Often used to describe good weather suitable for outdoor fun. Let's have a picnic in the sunshine tomorrow. Pro Tip 2/3Weather Dependent Can imply plans are contingent on sunny weather. If there's sunshine, we'll go to the beach. Pro Tip 3/3Health Reminder Remember, too much sunshine can be harmful; it's a reminder to wear sunscreen. Protect your skin when you're out in the sunshine.