| Clue | Length | Answer |
|---|---|---|
| grimness | 6 letters | tedium |
| grimness | 6 letters | spleen |
| grimness | 8 letters | rigidity |
| grimness | 8 letters | severity |
| grimness | 8 letters | sobriety |
| grimness | 9 letters | surliness |
| grimness | 9 letters | scariness |
| grimness | 9 letters | roughness |
| grimness | 9 letters | toughness |
| grimness | 9 letters | solemnity |
| grimness | 9 letters | stiffness |
| grimness | 10 letters | stringency |
| grimness | 10 letters | uneasiness |
| grimness | 11 letters | seriousness |
| grimness | 11 letters | unhappiness |
| grimness | 13 letters | regimentation |
| grimness | 13 letters | straight-face |
| grimness | 14 letters | relentlessness |
| grimness | 14 letters | thoughtfulness |
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