a.

1. 通風不良的；窒息的；悶熱的
   a stuffy room

   空氣不流通的房間

2. （鼻子）塞住的
3. 【口】沉悶的，乏味的
4. 【口】古板的，保守的
   That stuffy professor gives very boring lectures.

   那個古板的教授講課無聊透頂。

   Richard isn't as stuffy as most people think.

   理察並不像大多數人以為的那樣古板。

5. 【口】自負的，妄自尊大的

adj.

1. lacking fresh air or ventilation.
2. conventional and narrow-minded.
3. (of a person's nose) blocked up.