indoorness

One obvious and indisputable advantage of the inclusion of military subjects and training in our school curricula would be the correction of the dreadful tendency toward “indoorness” and desk- and book-work of our present system.

1916, Good Housekeeping, page 171

In our northern climate the human race after a period of active outdoorness or migration, seems to revert to such a condition of indoorness. Our species, of tropical origin, takes to the open, only under unusual conditions of pressure […]

1935, A Handbook of Summer Camps: An Annual Survey

Malice, then, would be commensurate with the crime. Flora would not sit around awaiting the next batch of accusations. Larks was right in bemoaning his indoorness. It was the perfect day for a bike ride: new, breezy, ice blue.

2011, Maggie Pouncey, Perfect Reader, Anchor, →ISBN, page 231

The sickening indoorness of the whole thing. That's what it was. That is what kills me, he told her. It kills every one of us. The damn indoorness of our lives. “The indoor man in his head is dead. So there,” he announced.

2020, Peter Unwin, Written in Stone, Cormorant Books, →ISBN