Intercourse is a term with several shades of meaning. At its most general it refers to the interaction or communication between people. It more specifically infers an exchange of emotion, and more specifically sexual intromission (defined as "penis entered the vagina") has occurred. So the term may refer to varieties of sexual or social involvement:
- Dialogue
- Extramarital intercourse
- Interpersonal communication
- Premarital intercourse
- Sexual intercourse
- Speech
- Social interaction