There are a variety of synonyms that can be used to replace the word "parachronistic", which means out of chronological order or out of place in time. Some common synonyms include anachronistic, old-fashioned, outdated, outmoded, antiquated, obsolete, archaic, primitive, and prehistoric. Each of these words can be used to describe something that is no longer relevant or modern, whether it be an idea, technology, or cultural practice. Being aware of these synonyms can help writers effectively convey their message and accurately describe the temporal aspects of their subject matter.