The state or quality of being umbrageous; shadiness: as, the umbrageousness of a tree.(noun)
The Century Dictionary (Public Domain)
Use "umbrageousness" in a sentence
"Twenty-seventh Street toward the river, near which he could just see a single patch of vivid green trees that guaranteed the brummagem umbrageousness of Riverside Drive."
"Anthony lay upon the lounge looking up One Hundred and Twenty-seventh Street toward the river, near which he could just see a single patch of vivid green trees that guaranteed the brummagem umbrageousness of Riverside Drive."