windowlessness means absence of windows. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From windowless + -ness.
noun
- Absence of windows.“He entered the house and made his way to his father’s basement office, a room that lacked his mother’s signature spare style and featured instead dark wood and solid lamps and windowlessness. Those years of nocturnal study had left their mark, and Karamat Lone was at his most productive when there was no glimmer of natural sunlight.”