👉 The term "vaguest" in the context of language refers to the most obscure or least known aspect, concept or fact. It can also refer to a state of complete lack of knowledge or understanding, often used as a descriptor for something that is not widely recognized or understood. In a broader sense, it could be used to describe anything that is not well-known or widely known in society, which includes concepts, ideas, and situations that are less common or less well-known than others.