Antonyms for the phrase "from beginning to end" could include "incomplete," "unfinished," "fragmented," or "broken." These words suggest an incomplete or disjointed experience, rather than a cohesive and complete one. Another antonym could be "in medias res," a Latin term meaning "in the middle of things," which suggests starting a story or experience from a point somewhere in the middle, rather than at the very beginning or end. These words and concepts offer an alternative perspective on storytelling and narrative structure, emphasizing the potential beauty and meaning in partial experiences and open-ended stories.