Variant of grim
- fierce; cruel; savage
- hard and unyielding; relentless; stern; resolute: grim courage
- appearing stern, forbidding, harsh, etc.: a grim face
- repellent; uninviting: a grim task
- dealing with unpleasant subjects; frightful; ghastly: grim humor
Origin: Middle English from Old English grimm, akin to German from Indo-European base an unverified form ghrem-, to make a loud sound, roar angrily from source grumble, Russian grom, thunder
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