The antonyms for the word "more high-pressure" could be "low-stress", "relaxed", "calm", or "easy-going". These words indicate a situation where there is no pressure, stress, or urgency. In a low-stress environment, the people involved will feel more comfortable, and there will be no rush, making everyone more content and productive.
On the other hand, a high-pressure environment can lead to anxiety, frustration, and reduced productivity. Therefore, it is crucial to strive for a low-stress work environment that encourages better communication, teamwork, and creativity. When people feel relaxed and free from pressure, they can focus better and put their best efforts into their work, leading to better results overall.