The word "most stressed" can be associated with feelings of pressure, tension, and anxiety. Its antonyms, on the other hand, can describe a sense of relaxation, calmness, and contentment. Some words that can be used as antonyms for most stressed include peaceful, tranquil, at ease, carefree, and relaxed. These words convey a sense of emotional balance and tranquility, which can be attained by practicing mindfulness, breathing exercises, and other relaxation techniques. Creating a peaceful and serene environment can also help alleviate feelings of stress and promote a sense of calmness in one's life.