More walkover means something that is even easier than a walkover. However, its antonyms would be words that convey difficulty and challenge, indicating that the task at hand requires effort and perseverance. Some of the antonyms for more walkover include challenging, strenuous, difficult, arduous, laborious, complex, and demanding. These words indicate that the task is not for the faint of heart and will require significant effort to overcome. By using antonyms to describe a task, it helps to set realistic expectations and promotes a mindset of determination and perseverance, rather than assuming that the task will be easy or is without significant obstacles.