| quiver |
| sharpness(noun, coldness, coolness, conditions) |
| shivery(adjective, cool, severe, keen, sharp) |
| undemonstrative(adjective, cool, attitude, informal, hot) |
| unsympathetic(adjective, mean, bad, nasty, cold) |
| algid(adjective, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| cutting(adjective, cool, severe, keen, sharp) |
| fever |
| flu |
| frisson |
| frostiness(noun, cold, draft, hostility, coldness) |
| influenza |
| intimidate(verb, stop, check, shock, agitate) |
| numb(verb, freeze, scare, frighten, allying) |
| pall(noun, gloom) |
| unfriendly(adjective, mean, cool, nasty, indifferent) |
| Siberian(adjective, cool, severe, keen, sharp) |
| alarm(noun, verb, upset, bother, disturb) |
| benumb(verb, strengthen, freeze, reinforce, scare) |