Swinger/ˈswɪŋər/ Definition 1 of 4Pro Tip 1/3Adult Context Used mainly among adults, discussing sexual practices. I was surprised to learn that my neighbors are swingers. Pro Tip 2/3Cultural Sensitivity May be sensitive or controversial in conservative cultures. Never mention swingers in a conservative gathering. Pro Tip 3/3Potential Offense Avoid using unless sure of people's comfort with the topic. It's best to avoid talking about swingers at work.