| brumal(adjective, cool, severe, keen, sharp) |
| hibernal |
| winter |
| wintry(adjective, cool, severe, keen, sharp) |
| cold(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| frigid(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| algid(adjective, cool, severe, keen, sharp) |
| arctic(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| bitter(adjective, cool, severe, keen, sharp) |
| freezing(adjective, cool, intense, cold, raw) |
| glacial(adjective, cool, severe, keen, sharp) |
| icy(adjective, cool, severe, keen, sharp) |
| piercing(adjective, cool, severe, keen, sharp) |
| sleety(adjective, cool, severe, keen, sharp) |
| summer |
| wintery |
| Siberian(adjective, cool, severe, keen, sharp) |