The antonyms for the word "most clearsighted" are words with opposite meanings such as: short-sighted, myopic, blind, obtuse, narrow-minded, unperceptive, uninformed, and ignorant. These words indicate a lack of understanding, knowledge or foresight, and imply a flawed or incomplete perspective. On the other hand, the word most clearsighted connotes someone who is perceptive, insightful and has a keen perception of reality. An individual with this quality is believed to have an excellent perception, intellectual insight, and the ability to understand complex ideas. In essence, antonyms of most clearsighted are terms that depict a lack of clarity or understanding.