The term 'social life metaphor' is a phrase used to describe the idea that our lives are like a SPHERE, with different aspects of our lives intersecting and influencing each other. The crossword solution for this term is 'SPHERE, ' which is a three-dimensional object with a curved surface that is symmetrical around its center. This metaphor is often used to illustrate how our social lives are interconnected and how our decisions can have an effect on multiple areas of our lives.