Back alleys are a common feature of many cities and towns. These narrow passages are often used as shortcuts or for parking, but they can also be places for illicit activities. Synonyms for back alleys include narrow streets, alleyways, laneways, and passageways. Some other terms that might be used to describe these areas include alleys, lanes, side streets, and backstreets. While these words all refer to similar places, each one has its own connotations and can be used in different contexts. Whatever term you use, back alleys are intriguing and mysterious places that can be both dangerous and fascinating to explore.