The antonyms for the word "most arranged" would be "least organized" or "disorganized." When things are not arranged in an orderly manner, it can lead to chaos and confusion. Being least organized can make it difficult to find things, complete tasks, and be productive. Disorganization can also have a negative impact on mental health, causing stress and anxiety. It is important to develop good organizational habits to maintain a well-balanced life. This can be achieved by creating daily routines, prioritizing tasks, and decluttering one's environment. By doing so, one can avoid the negative consequences of being least organized and improve their overall quality of life.