| arctic(adjective, cool, severe, keen, sharp) |
| glacial(adjective, cool, severe, keen, sharp) |
| freezing(adjective, cool, intense, cold, hot) |
| icy(adjective, cool, severe, keen, sharp) |
| wintry(adjective, cool, severe, keen, sharp) |
| frosty(adjective, cool, severe, keen, sharp) |
| north |
| northern(adjective, north, northerly) |
| polar(adjective, adverb, cool, severe, keen) |
| frigid(adjective, cool, severe, keen, sharp) |
| cold(adjective, adverb, cool, severe, keen) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| bitter(adjective, cool, severe, keen, sharp) |
| bleak(adjective, cool, severe, keen, sharp) |
| brumal(adjective, cool, severe, keen, sharp) |
| circumboreal |
| antarctic |
| biting(adjective, cool, severe, keen, sharp) |
| frore(adjective, cool, severe, keen, sharp) |
| frozen(adjective, adverb, cool, severe, keen) |