Pronunciation: (gran'jur, -joor),[key] —n. 1. the quality or state of being impressive or awesome: the grandeur of the Rocky Mountains. 2. the quality or state of being lofty or elevated in conception or treatment: the grandeur of a prose style. 3. the quality or state of being exalted in some deliberate way: the grandeur of a royal court. 4. an instance of something that is grand: the grandeurs of Rembrandt's paintings.