Inter-course is a term that can refer to a variety of activities, but typically has sexual connotations. Antonyms for this term might include words that suggest a lack of intimacy, such as isolation, detachment or separation. Other possible antonyms might focus on nonsexual activities or modes of communication, such as solo activities like reading, writing or watching TV, or group activities like sports, playing music, or attending social events. Ultimately, antonyms for inter-course may depend on the context in which they are used, but the goal of using them is often to emphasize alternatives to physical intimacy, or to counteract an overly narrow or limited understanding of human relationships.