Long continued is a phrase used to describe an action or situation that has been ongoing for a significant period of time. There are several synonyms that can be used in place of long continued, including persistent, enduring, prolonged, protracted, and sustained. Persistent refers to something that continues despite efforts to stop it, while enduring implies that something has endured through difficult conditions or challenges. Prolonged and protracted both indicate a long lasting period, and sustained implies a consistent duration of time. Using synonyms for long continued can add variety to your writing and provide a more precise description of the ongoing action or situation.