stuffy
Definition
(Of a room) poorly ventilated and too warm; (of a person) excessively formal and dull.
Example
"The meeting room felt stuffy, so we opened a window to let fresh air in."
(Of a room) poorly ventilated and too warm; (of a person) excessively formal and dull.
"The meeting room felt stuffy, so we opened a window to let fresh air in."