The antonyms for the word "most untended" are "well-maintained," "attended," "cared for," "looked after," "neat," and "tidy." These words indicate a state of order and cleanliness, which is the opposite of "most untended." When something is left unattended for a long time, it can become dirty, cluttered, and damaged. Therefore, it is important to keep things in good condition by regularly attending to them. Whether it's a garden, a home, or a piece of equipment, good maintenance ensures longevity and functionality. So, instead of neglecting things, it is better to keep them well-maintained and in good shape.