Most transpicuous means something that is easily understood or clear. Antonyms for this word would be obscure, confusing, ambiguous, or unclear. These words indicate a lack of transparency or a difficulty in comprehending something. When something is obscure or confusing, it may require more effort to understand, interpret or make sense of it. This can be a challenge for many people and may inhibit effective communication. Therefore, it is important to recognize antonyms of most transpicuous and strive to use clear, concise language to convey ideas and thoughts effectively.