The antonyms for the phrase "most unscrewed" would be "most organized," "most put-together," and "most orderly." These words describe a state of being that is opposite to feeling disorganized or having things fall apart. When someone or something is referred to as "most unscrewed," it implies a lack of control or a sense of chaos. The antonyms for this phrase indicate a sense of stability and control, with everything in its proper place. Using these opposites helps to highlight the importance of organization and the benefits of having a well-ordered life.