The phrase "piece of mind" is used to express a feeling of calmness, tranquility, or happiness. However, there are several antonyms for this phrase, which signify the opposite feelings. Some of these antonyms are agitation, anxiety, distress, turmoil, unrest, worry, and unease. These words represent a sense of discomfort, uneasiness, and chaos, which jeopardize one's state of mind. While it is desirable to have a peaceful state of mind, sometimes life throws us in situations where anxiety and turmoil are inevitable. Therefore, it is essential to learn how to cope with stressful situations and maintain a positive outlook towards life.