Noble mien refers to a dignified or impressive appearance. It can be used to describe someone who appears regal, majestic, or refined. Alternatives to this phrase include words like distinguished, stately, elegant, or grand. These terms suggest similar qualities of grace and sophistication. Other possible synonyms for noble mien include imposing, impressive, or commanding. Each of these terms suggests a powerful presence or a sense of authority. Regardless of the exact phrasing used, any synonym for noble mien expresses a sense of respect and admiration for the person or thing being described.