Adulterine refers to something that is not true, genuine, or legitimate. It is often used to describe a product or a relationship that is unlawful, fake, or deceptive. Therefore, the antonyms for the word more adulterine are authentic, genuine, legitimate, lawful, natural, real, sincere, and true. These words denote something that is honest, genuine, and trustworthy. For instance, an authentic piece of artwork would refer to one that is original and not a replica, while a natural remedy would refer to a medication that is made from natural ingredients. Using antonyms for adulterine can help convey a sense of honesty, clarity, and authenticity in communication.