Stranger/ˈstreɪndʒər/ Definition 1 of 4Pro Tip 1/3Safety Warning Used to highlight the potential danger from people unknown to you or your family. Children are taught about 'stranger danger' from a young age. Pro Tip 2/3Social Context Implies caution in social situations due to uncertainty about a person's character. My mom always warned me about accepting gifts from strangers. Pro Tip 3/3Not Always Negative Can be used neutrally without implying danger, just lack of acquaintance. Our guide for the trip was a stranger who quickly became a friend.