| hibernal(adjective, cold) |
| wintry(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| freezing(adjective, cool, intense, cold, raw) |
| icy(adjective, cool, severe, keen, sharp) |
| frigid(adjective, cool, severe, keen, sharp) |
| glacial(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| arctic(adjective, cool, severe, keen, sharp) |
| cold(adjective, cool, severe, keen, sharp) |
| bitter(adjective, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| gelid(adjective, cool, severe, keen, sharp) |
| polar(adjective, cool, severe, keen, sharp) |
| winter |
| Siberian(adjective, cool, severe, keen, sharp) |
| biting(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| frosty(adjective, cool, severe, keen, sharp) |
| numbing(adjective, cool, severe, keen, sharp) |