The phrase "gave over" can have different meanings depending on the context. However, some antonyms for this phrase may include "held on," "persevered," "continued," "persisted," "resisted," or "refused to quit." These antonyms imply that the person did not give up easily or surrender to a particular situation or circumstance. Instead, they kept pushing forward, holding onto their goals, and refusing to relinquish control or accept defeat. By employing these antonyms, we can express a different perspective or attitude towards a certain situation, one that shows determination, resilience, and strength.