somber
Somber (adjective) means Serious, gloomy and without cheerfulness, in a way that suits grief or bad news. Example: “The mood in the room turned somber once the results came through.”
How to use somber
Learner’s notesIn plain EnglishSad and serious, or dark and dull.
Slightly literary but common in journalism.
Fill the gap
Can you complete this real example?
The mood in the room turned _____ once the results came through.
Etymology
From French 'sombre', meaning dark or gloomy, ultimately from Latin 'sub umbra', 'under shade'.