| nipping(adjective, cool, severe, keen, sharp) |
| chilly(adjective, cool, severe, keen, sharp) |
| frosty(adjective, cool, severe, keen, sharp) |
| snappy(adjective, strong, cool, severe, keen) |
| algid(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| bleak(adjective, cool, severe, keen, sharp) |
| boreal(adjective, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| cool(adjective, severe, keen, sharp, intense) |
| gelid(adjective, cool, severe, keen, sharp) |
| hawkish(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| inclement(adjective, cool, severe, keen, sharp) |
| polar(adjective, cool, severe, keen, sharp) |
| sleety(adjective, cool, severe, keen, sharp) |
| subzero |
| Siberian(adjective, cool, severe, keen, sharp) |