Exposure/ɪkˈspəʊʒər/ Definition 1 of 4Pro Tip 1/2Unprotected State Refers to someone or something being unprotected from outside factors or influences. Without a tent, you'll have direct exposure to the cold night. Pro Tip 2/2Natural Interaction Used when describing a person's contact with natural conditions, like weather. Prolonged exposure to the sun can lead to sunburn.