The antonyms for the phrase "begins over" can include "ends", "completes", "finishes", "terminates", "concludes", "stops", "ceases", "closes", or "finishes up". These words represent the opposite meaning of "begins over" as they indicate the end or completion of a task, event, or activity instead of its renewal or restart. Using antonyms can add variety in writing and help convey different meanings and nuances. Therefore, identifying and incorporating antonyms for commonly used phrases like "begins over" can help writers and speakers express themselves accurately and effectively.