(grimmer, grimmest)
1.
A situation or piece of information that is grim is unpleasant, depressing, and difficult to accept.
They painted a grim picture of growing crime...
There was further grim economic news yesterday...
The mood could not have been grimmer.
ADJ
• grimness
...an unrelenting grimness of tone.
N-UNCOUNT
2.
A place that is grim is unattractive and depressing in appearance.
...the tower blocks on the city's grim edges.
ADJ
3.
If a person or their behaviour is grim, they are very serious, usually because they are worried about something. (WRITTEN)
She was a grim woman with a turned-down mouth...
Her expression was grim and unpleasant.
ADJ
4.
If you say that something is grim, you think that it is very bad, ugly, or depressing. (INFORMAL)
Things were pretty grim for a time.
ADJ