Dictionary. com: stern

1. and admitting no appeasement or compromise: grim determination; grim necessity.
2. a sinister character; repellent: A grim joke.
3. Having a harsh, surly, forbidding, or morbid air: a grim Man but a just one; A grim countenance.
4. Whether it is savage or fierce and cruel war is a grim business.

As you can see by the definitions of grim from dictionary. If anyone doesn’t like how they odb’s one could be right. To determine the correct meaning of a sentence you

want to tell it through context, of course.

Dictionary. com: stern

1. and admitting no appeasement or compromise: grim determination; grim necessity.
2. a sinister character; repellent: A grim joke.
3. Having a harsh, surly, forbidding, or morbid air: a grim Man but a just one; A grim countenance.
4. Whether it is savage or fierce and cruel war is a grim business.

As you can see by the definitions of grim from dictionary. If anyone doesn’t like how they odb’s one could be right. To determine the correct meaning of a sentence you

want to tell it through context, of course.