The word "more low-pressure" can be described as something that is relaxed or easy-going. However, it also has several antonyms that can be used to express the opposite meaning. Some of these antonyms include tense, anxious, stressed, uptight, or high-strung. These words indicate a state of agitation or unease, which contrasts with the relaxed and easygoing nature of "more low-pressure". Another antonym for "more low-pressure" can be "high-pressure", which refers to a situation or environment that is fast-paced and demanding, putting individuals under a lot of stress and pressure. Overall, these antonyms provide a range of options to express the opposite meaning of "more low-pressure".