| boreal(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| gelid(adjective, cool, severe, keen, sharp) |
| nipping(adjective, cool, severe, keen, sharp) |
| severe(adjective, cool, keen, sharp, intense) |
| below zero(expression, cool, severe, keen, sharp) |
| bleak(adjective, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| cool(adjective, severe, keen, sharp, intense) |
| crisp(adjective, cool, severe, keen, sharp) |
| frozen(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| inclement(adjective, cool, severe, keen, sharp) |
| one-dog night(expression, cool, severe, keen, sharp) |
| sharp(adjective, cool, severe, keen, intense) |
| sleety(adjective, cool, severe, keen, sharp) |
| snappy(adjective, cool, severe, keen, sharp) |
| two-dog night(expression, cool, severe, keen, sharp) |
| below freezing(expression, cool, severe, keen, sharp) |
| benumbed(adjective, cool, severe, keen, sharp) |