The term 'city outskirts' can be defined by two crossword solutions: 'SUBURBS' (7 letters) and 'suburbia' (8 letters). SUBURBS are residential areas located on the outskirts of a city, usually characterized by single-family homes, shopping centers, and other amenities. Suburbia is a term used to describe the lifestyle of people living in these suburban areas, which often includes a focus on family life, safety, and convenience.