adjective, stuff·i·er, stuff·i·est.
Examples from the Web for stuffiness
Deadspin ripped it for stuffiness, high-handedness, and general cluelessness.New York Times Attack on Olympic Athlete Lolo Jones Unfounded and Unfair|David Roth|August 7, 2012|DAILY BEAST
He was feeling "over-boiled," and got rid of this stuffiness of mind in his own characteristic way.The Story of Baden-Powell|Harold Begbie
When you go at night into a room where people are asleep, the nose is not aware of any stuffiness or "Russian smell."Letters of Anton Chekhov|Anton Chekhov
Yet there is, of course, a difference between warmth and stuffiness.The Art and Practice of Hawking|Edward B. Michell