| frosty(adjective, cool, severe, keen, sharp) |
| arctic(adjective, cool, severe, keen, sharp) |
| freezing(adjective, cool, intense, hot, raw) |
| frigid(adjective, cool, severe, keen, sharp) |
| glacial(adjective, cool, severe, keen, sharp) |
| polar(adjective, cool, severe, keen, sharp) |
| cold(adjective, cool, severe, keen, sharp) |
| icy(adjective, cool, severe, keen, sharp) |
| wintry(adjective, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| chill(adjective, cool, severe, keen, sharp) |
| frozen(adjective, cool, severe, keen, sharp) |
| gelid(adjective, cool, severe, keen, sharp) |
| Siberian(adjective, cool, severe, keen, sharp) |
| shivery(adjective, cool, severe, keen, sharp) |
| algid(adjective, cool, severe, keen, sharp) |
| below freezing(expression, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| bitter(adjective, cool, severe, keen, sharp) |
| bone-chilling |