The phrase "giving up ship" typically means surrendering or abandoning a goal, plan, or project. Antonyms for this phrase, therefore, would include perseverance, determination, and commitment. To persevere means to persist even in the face of adversity or obstacles. To be determined is to have a strong sense of purpose, and to remain focused until the desired outcome is achieved. And to be committed is to go all-in, with a willingness to do whatever it takes to achieve the desired goal or outcome. Thus, instead of giving up ship, one should instead strive to persevere, remain determined, and make a strong commitment to their goals and aspirations.