"Fight to the finish" is a phrase commonly used to describe an intense and determined battle until the very end. There are several synonyms for this phrase, including "battle to the bitter end," "struggle to the last," "wage war until the end," "contest until the final bell," and "clash until the ultimate outcome." These phrases emphasize the importance of perseverance, resilience, and determination to succeed. Whether it's in sports, politics, or personal battles, the idea of fighting to the finish serves as a reminder that success often requires a relentless and unwavering effort.