Grandeur is a noun that refers to the quality or state of being grand, magnificent, or impressive. It can describe something that is distinguished, extraordinary, and impressive in scope, such as a lofty idea, an impressive building, or a beautiful landscape. Grandeur can also refer to the nobility or greatness of character. Examples of grandeur include the grandeur of the Rocky Mountains, the grandeur of Wagners music, and the grandeur of a prose style.