| nippy(adjective, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| iced(noun, adjective, cool, severe, keen) |
| piercing(adjective, cool, severe, keen, sharp) |
| inclement(adjective, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| chilled(adjective, cool, severe, keen, sharp) |
| crisp(adjective, cool, severe, keen, sharp) |
| frore(adjective, cool, severe, keen, sharp) |
| numbing(adjective, cool, severe, keen, sharp) |
| shivery(adjective, cool, severe, keen, sharp) |
| snappy(adjective, cool, severe, keen, sharp) |
| Siberian(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| hawkish(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| one-dog night(expression, cool, severe, keen, sharp) |
| penetrating(adjective, cool, severe, keen, sharp) |