Riotus (The Yellow Wallpaper/Page 60/Paragraph 4)
adjective
Pronunciation: Rye-Eh-Tus
-Of a group of people: behaving in a violent and uncontrolled way.
-Marked by or involving public disorder.
-Having a vivid, varied appearance.
Context: “Out of one window I can see the garden, those mysterious deepshaded arbors, the riotous old-fashioned flowers, and bushes and gnarly trees.
Source(s): -http://www.merriam-webster.com/dictionary/riotous
-https://www.google.com/#q=riotous+definition