Most stirred refers to something that has been highly affected or deeply moved. Antonyms for this phrase would include words like calm, composed, unemotional, unruffled, and collected. These words describe a state of being that is serene, tranquil, or peaceful, and in which an individual's emotions are not tumultuous or unsettled. When someone is calm and composed, they are not easily shaken, and their thoughts and feelings are in balance. In contrast, when someone is most stirred, they are usually in a heightened state of excitement, flood of emotions, or upheaval of their conscience. So, antonyms for the word "most stirred" represent states of calmness and emotional equilibrium that are the opposite of excitement or turmoil.