The antonyms for the word "sur-renders" are discovered, found, revealed, unearths, uncovers, disproved, refuted, fought, defended, defied, resisted, withstood, protected, guarded, upheld, maintained, and preserved. These words indicate an act of standing up to something or holding onto it, as opposed to giving up or relinquishing it. They imply a sense of strength, courage, and determination in the face of challenges or difficulties, rather than passivity or submission. By understanding these antonyms, we can broaden our vocabulary and gain a better understanding of various contexts in which words can be used.