Antonyms of the word "in-comprehensible" are those words that have opposite meanings. Some common antonyms for incomprehensible are understandable, clear, intelligible, lucid, comprehensible, fathomable, and comprehensible. All of these words signify a sense of clarity and ease of understanding, as opposed to the muddiness and confusion that characterize something that is incomprehensible. In situations where the concept or idea seems confusing, the presentation that uses antonyms offers a way to simplify by teaching the listener or reader the opposite of the word. Therefore, using antonyms while writing or speaking offers a vital tool to make the concept clearer and drive home the point.