| foul(adjective, adverb, severe, low, base) |
| glacial(adjective, person, unwarmhearted) |
| half-spirited(adjective, person, unwarmhearted) |
| indecent(adjective, person, unwarmhearted) |
| misaffectionate(adjective, person, unwarmhearted) |
| misanthropic(adjective, person, unwarmhearted) |
| mummified(adjective, person, unwarmhearted) |
| nasty(adjective, mean, hard, severe, sharp) |
| ominous(adjective, person, unwarmhearted) |
| sinister(adjective, person, unwarmhearted) |
| standoffish(adjective, person, unwarmhearted) |
| stony(adjective, mean, hard, tough, severe) |
| stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic) |
| uncivil(adjective, hard, severe, sharp, rough) |
| uncivilized(adjective, rough, harsh, rude, violent) |
| unnatural(adjective, evil, nasty, harsh, vicious) |
| unpitying(adjective, severe, harsh, cruel, pitiless) |
| unsparing(adjective, person, tough, severe, harsh) |
| unwarmhearted(noun, adjective, person, wild, cruel) |
| abominable(adjective, adverb, low, base, coarse) |