An "ex-boyfriend" refers to a male partner from a past romantic relationship. This term is commonly used to describe someone with whom an individual has shared a significant emotional or physical connection but is no longer involved with. The relationship may have ended for various reasons, including personal differences, life changes, or mutual agreement. Ex-boyfriends can play a role in a person's life, influencing their future relationships and emotional well-being. People often reflect on their experiences with ex-boyfriends to learn about themselves and what they seek in future partners, such as trust, communication, and compatibility.