Iris flowers are beautiful and elegant, and the word "iris" has many synonyms that encapsulate its beauty. Some of the synonyms for iris flowers are "rainbow flower," "sword lily," and "orris root." These names evoke the image of the long, slender petals of the iris that can be seen in different colors and shades. Other synonyms include "bearded iris," "German iris," and "flag iris," which reflect the origin or characteristics of the flower. No matter what synonym is used, the iris flower remains a symbol of grace, beauty, and elegance.