| frigid(adjective, cool, severe, keen, sharp) |
| frozen(adjective, cool, severe, keen, sharp) |
| glacial(adjective, cool, severe, keen, sharp) |
| arctic(adjective, cool, severe, keen, sharp) |
| icy(adjective, cool, severe, keen, sharp) |
| wintry(adjective, cool, severe, keen, sharp) |
| freezing(adjective, cool, intense, cold) |
| polar(adjective, cool, severe, keen, sharp) |
| bitter(adjective, cool, severe, keen, sharp) |
| chill(adjective, cool, severe, keen, sharp) |
| frosty(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| chilly(adjective, cool, severe, keen, sharp) |
| numbing(adjective, cool, severe, keen, sharp) |
| biting(adjective, cool, severe, keen, sharp) |
| frore(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) |