Antonyms refer to words that have the opposite meaning of a given word. For "most obstructed," some of the antonyms include "clear," "open," "free," "aided," "unblocked," and "assisted." Clear refers to the absence of any obstruction or hindrance, while open suggests that there's no obstacle or blockage. Free means not restrained or confined, and aided symbolizes support or assistance. Unblocked means that the path or way is clear and free of obstacles, while assisted implies that something is working together or collaborating. Therefore, when you encounter the word "most obstructed," think of the antonyms that may contrast it, thus helping you to create a clear and effective sentence.