stuffy in WordNet English dictionary

1. lacking fresh air
   "a dusty airless attic"; "the dreadfully close atmosphere"; "hot and stuffy and the air was blue with smoke"
   airless  close  stuffy  unaired 
   
2. 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"
   stodgy  stuffy 
   
3. affected with a sensation of stoppage or obstruction
   "a stuffy feeling in my chest"
   stuffy