stuffy

adjective

1. 1

   excessively conventional and unimaginative and hence dull

   why is the middle class so stodgy, so utterly without a sense of humor?

   a stodgy dinner party

2. 2

   affected with a sensation of stoppage or obstruction

   a stuffy feeling in my chest

3. 3

   lacking fresh air

   a dusty airless attic

   the dreadfully close atmosphere