Un-new is a term used to describe something that's not new or old. There are several synonyms for this word which can be used interchangeably depending on the context. Some commonly used synonyms for un-new include unchanged, familiar, well-known, customary, and ordinary. These words can be used to describe anything that's not new such as a situation, a place, or even a person. For instance, you can say something like, "The town's landscape remained unchanged even after the storm." Or "The people in the village are quite familiar with each other." Synonyms for un-new are useful in expressing oneself more precisely and giving life to your writing.