The antonyms for the phrase "most guided" would be "least guided" or "unguided." "Least guided" means having the lowest amount of guidance or direction, while "unguided" means having no guidance or direction at all. In many situations, being "most guided" is desirable, as it means having a clear path to follow and making informed decisions. On the other hand, being "least guided" or "unguided" can lead to confusion, uncertainty, and unwise choices. It is important to strike a balance between too much guidance and too little, finding the sweet spot that allows for growth and progress without stifling creativity and individuality.