When it comes to antonyms for the phrase "most unrelaxed," there are several options to choose from. Relaxed, calm, comfortable, content, and at ease are just a few of the words that can be used to describe the opposite of feeling unrelaxed. These words signify a sense of tranquility, peacefulness, and serenity that is quite different from the feeling of being unrelaxed. Other antonyms could include tension-free, unstressed, undisturbed, unworried, and anxiety-free, among others. All these words denote a state of mind that is the polar opposite of feeling unrelaxed, and can ultimately lead to a more peaceful and fulfilling life.