"Started back" can be defined as the resumption of an activity or a journey that was temporarily paused. Some synonyms for this expression include "resumed," "continued," "picked up again," "restarted," and "carried on." These synonyms suggest a movement or progress, making them more apt for situations where someone is restarting an activity or an undertaking that has been temporarily interrupted. Whether it's a physical journey or a mental task, these synonyms convey the sense of progression. Additionally, these synonyms are versatile in different contexts, making them useful in both formal and informal settings. By using these alternatives, one can avoid repetition and add variety to their language, enhancing the impact of their communication.