| gelid(adjective, cool, severe, keen, sharp) |
| hibernal |
| northerly |
| numbing(adjective, cool, severe, keen, sharp) |
| summer |
| Siberian(adjective, cool, severe, keen, sharp) |
| algid(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| chill(adjective, cool, severe, keen, sharp) |
| chilly(adjective, cool, severe, keen, sharp) |
| crisp(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| hyperboreal(adjective, cold) |
| ice-cold |
| inclement(adjective, cool, severe, keen, sharp) |
| keen(adjective, cool, severe, sharp, intense) |
| nipping(adjective, cool, severe, keen, sharp) |
| nippy(adjective, cool, severe, keen, sharp) |