A by lane, also known as an alley, is a narrow street or path, often found in urban areas. There are various synonyms for the word by lane, which may vary depending on the language or dialect. Some of the most commonly used synonyms include passageway, side street, backstreet, alleyway, path, lane, and roadway. Each of these words describes a different type of narrow pathway that may be found in a city or rural area. By using synonyms to describe a by lane, writers and speakers can add variety and interest to their language, while also painting a more detailed picture of the environment they are describing.