"Alleyed" is a word that is rarely used in modern English language. It means to have an alley or narrow pathway, typically in an urban area. However, there are a number of synonyms that can be used in its place. For instance, one could say a place is "alleywayed," "narrow," "confined," "cramped," or "claustral." Other options include stating that an area is "close," "compact," or "diminutive." The choice of words largely depends on the context and tone of the conversation or writing. In general, it is always advisable to use words that are commonly understood by the intended audience to ensure clear communication.