The antonyms for the word "most overemotional" can be level-headed, composed, rational, collected, unemotional, or stoic. These words describe individuals who are not easily swayed by their emotions and are able to remain calm in difficult situations. They approach problems with a clear mind and do not let their feelings cloud their judgment. Such individuals are respected for their ability to handle stress and take decisive actions without being too emotional. These qualities are often admired in leaders as they can make logical decisions that are beneficial to the overall situation. In summary, antonyms for the word "most overemotional" describe people who are rational, practical, and calm.