Antonyms for the word "most revelatory" would include words such as misleading, ambiguous, obscure, vague or mysterious. These words describe the opposite of revealing or disclosing something in a clear or revealing manner. They are used to refer to instances where information is deliberately hidden or difficult to comprehend. For example, something that is obscure is hard to understand or express, while something that is misleading is intentionally deceptive or false. Contrary to "most revelatory," these words may convey a sense of skepticism or caution, suggesting that caution should be exercised when interpreting them.