humorless
🇺🇸
/ˈhjuːmərləs/
🇬🇧
/ˈhjuːmələs/
Someone who doesn't find things funny or doesn't enjoy jokes.
My teacher is very humorless; she never laughs at our jokes.
我的老师非常缺乏幽默感;她从不笑我们的笑话。