| algid(adjective, cool, severe, keen, sharp) |
| bleak(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| gelid(adjective, cool, severe, keen, sharp) |
| penetrating(adjective, cool, severe, keen, sharp) |
| piercing(adjective, cool, severe, keen, sharp) |
| numbing(adjective, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| polar(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| hawkish(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| icebox(adjective, cool, severe, keen, sharp) |
| inclement(adjective, cool, severe, keen, sharp) |
| rimy(adjective, cool, severe, keen, sharp) |
| severe(adjective, cool, keen, sharp, intense) |
| sleety(adjective, cool, severe, keen, sharp) |
| Siberian(adjective, cool, severe, keen, sharp) |