沉闷

1. (of weather, atmosphere, etc.) dreary; gloomy; oppressive; depressing

♦ 那里的气氛太~了, 令人无法忍受。 The atmosphere there is unbearably oppressive.

2. depressed; in low spirits

♦ 心情~ feel depressed

3. not outgoing; withdrawn

♦ 他这个人很~。 He's rather withdrawn.