grim

adjective

1. 1

   shockingly repellent; inspiring horror

   ghastly wounds

   the grim aftermath of the bombing

2. 2

   causing dejection

   a blue day

   the dark days of the war

3. 3

   filled with melancholy and despondency

   gloomy at the thought of what he had to face

   gloomy predictions

4. 4

   not to be placated or appeased or moved by entreaty

   grim determination

   grim necessity

5. 5

   harshly uninviting or formidable in manner or appearance

   a dour, self-sacrificing life

   a forbidding scowl

6. 6

   harshly ironic or sinister

   black humor

   a grim joke