Glum means feeling sad or unhappy. It is used when someone is quiet but looks unhappy. People can feel glum if something bad happens.
She looked glum after the bad news.
He felt glum and did not smile today.
Glum can describe places or things that look dark or dull. It means the place does not have bright light and feels sad or depressing.
The room was glum and had no light.
The sky stayed glum all day long.
As a verb, to glum means to look or act unhappy. It shows someone is sad by their face or behavior. It is not used often in speaking.
He glummed after losing his toy.
She glummed when she saw the broken book.
In Scottish English, glum is often used to mean melancholy or gloomy mood. It keeps the same meaning but can be stronger or more poetic.
The glum weather matched his mood in Scotland.
She felt glum walking on the misty moors.
Glum can describe situations that look bad or without hope. It is used for feelings about future or results that seem sad or bad.
The future looked glum for the small town.
Sales figures were glum this quarter.