| below zero(expression, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| chilled(adjective, cool, severe, keen, sharp) |
| frosty(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| inclement(adjective, cool, severe, keen, sharp) |
| keen(adjective, cool, severe, sharp, intense) |
| numbing(adjective, cool, severe, keen, sharp) |
| polar(adjective, cool, severe, keen, sharp) |
| sleety(adjective, cool, severe, keen, sharp) |
| Siberian(adjective, cool, severe, keen, sharp) |
| below freezing(expression, cool, severe, keen, sharp) |
| blasting(adjective, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| crisp(adjective, cool, severe, keen, sharp) |
| frore(adjective, cool, severe, keen, sharp) |
| have goose bumps(expression, idiom, cool, severe, keen) |
| hawkish(adjective, cool, severe, keen, sharp) |