What is another word for most adust?
Pronunciation: [mˈə͡ʊst ɐdˈʌst] (IPA) 
The phrase "most adust" can be described as being the most burnt or scorched. Other synonyms that can be used to describe "most adust" include charred, singed, seared, blackened, torched, and crisped. These words all convey the idea that something has been subjected to a high degree of heat, resulting in its discolouration or dehydration. The word choice might depend on the context within which it is used. For example, you might choose "charred" when describing a piece of meat that has been grilled to perfection, while you might choose "singed" to describe the edges of a burnt piece of toast. Regardless of the word you choose, it is clear that "most adust" implies the scorching or charring of a substance.
