grim
adj.adj. very serious, dark, or unpleasant. You use it to describe a situation that looks hopeless or something that is gross and disgusting.
adj. characterised by a stern, forbidding, or depressing quality; in British slang, describes something physically repulsive or of very poor quality.
The weather today is absolutely grim.
The doctor's face looked grim as he walked into the room to deliver the test results.
Despite the grim economic forecasts and the rising cost of living, the small community remained determined to keep their local library open through volunteer efforts.
Probably derived from Old English *Grīm, Old Norse Grímr (literally “masked person”).
Often used to describe facial expressions, weather, or future prospects; in informal British English, it acts as a general synonym for 'disgusting'.