The expression "shows white flag" means to surrender or admit defeat. Its antonyms would be phrases such as "persevere", "fight till the end", "hold your ground", "persist", or "take a stand". These phrases imply determination, strength, and a refusal to concede. When someone does not show the white flag, they are demonstrating courage and resilience. They refuse to give up, even in the face of adversity. It is important to remember that showing the white flag is not always a negative thing; sometimes, it may be the wise choice. However, when we choose to persevere instead, we can achieve great things and overcome even the toughest challenges.