a.

1. 通风不良的；窒息的；闷热的
   a stuffy room

   空气不流通的房间

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

   那个古板的教授讲课无聊透顶。

   Richard isn't as stuffy as most people think.

   理查并不像大多数人以为的那样古板。

5. 【口】自负的，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.