| inclement(adjective, cool, severe, keen, sharp) |
| intense(adjective, cool, severe, keen, sharp) |
| nippy(adjective, cool, severe, keen, sharp) |
| numbing(adjective, cool, severe, keen, sharp) |
| one-dog night(expression, cool, severe, keen, sharp) |
| penetrating(adjective, cool, severe, keen, sharp) |
| piercing(adjective, cool, severe, keen, sharp) |
| rimy(adjective, cool, severe, keen, sharp) |
| severe(adjective, cool, keen, sharp, intense) |
| sharp(adjective, cool, severe, keen, intense) |
| sleety(adjective, cool, severe, keen, sharp) |
| snappy(adjective, cool, severe, keen, sharp) |
| snowy(adjective, cool, severe, keen, sharp) |
| stinging(adjective, cool, severe, keen, sharp) |
| two-dog night(expression, cool, severe, keen, sharp) |
| very cold(expression, cold, frosty, iced) |
| subzero |