Noun
nebulousness (uncountable)
The characteristic of being nebulous.
Aussie Miller sets her tale in the gauzy nebulousness of the early 20th century, delivering a stunning slow burn full of creepy atmospheric tension and heartbreaking loneliness. Source: Internet
Starting with the October 2017 board materials, the category was finally modified to “over crowding/insufficient capacity/other,” more closely reflecting the nebulousness of the internal definition. Source: Internet