Someone humourless is too serious. They do not laugh at things other people find funny, and they may not see a joke even when it is kind.

Someone humourless一個humourless的人 is too serious就是太嚴肅了 They do not laugh at things other people find funny別人覺得好笑的事他們不會笑 and they may not see a joke而且可能聽不出一個笑話 even when it is kind就算那個笑話是善意的

It is a criticising word: you are saying this person has no sense of humour, or will not allow one. You can also call a face, a voice, or a meeting humourless when the feeling is dry and tight, with no play in it.

It is a criticising word這是一個帶批評意味的字 you are saying this person has no sense of humour意思是說這個人沒有幽默感 or will not allow one或是不容許別人有幽默感 You can also call你也可以說 a face, a voice, or a meeting humourless一張臉、一個聲音，或一場會議是humourless的 when the feeling is dry and tight當那種感覺很乾、很緊繃 with no play in it完全沒有輕鬆的空間

This is the British spelling, with the u in humour. American English writes humorless; the meaning is the same.

This is這是 the British spelling英式拼法 with the u in humourhumour裡有那個u American English writes humorless美式英文寫成humorless the meaning is the same意思是一樣的

Though actually, people sometimes call someone humourless just because the joke was mean or the moment was wrong — so listen for whether the speaker is being fair.

Though actually不過實際上 people sometimes call someone humourless有時候有人會說某人humourless just because the joke was mean只是因為那個笑話太刻薄 or the moment was wrong或是時機不對 so listen for whether the speaker is being fair所以要聽聽看說話的人講得公不公平