| destructive(adjective, bad, evil, harsh, violent) |
| detrimental(adjective, mean, bad, wrong, evil) |
| frigid(adjective, person, unwarmhearted) |
| glacial(adjective, person, unwarmhearted) |
| half-spirited(adjective, person, unwarmhearted) |
| icy(adjective, person, unwarmhearted) |
| mummified(adjective, person, unwarmhearted) |
| perfidious(adjective, mean, bad, hard, evil) |
| savage(adjective, animal, mean, evil, nasty) |
| standoffish(adjective, person, unwarmhearted) |
| treacherous(adjective, mean, bad, hard, evil) |
| uncordial(adjective, person, unwarmhearted) |
| unwarmhearted(adjective, person, bad behavior) |
| awful(adjective, mean, nasty, wicked, hateful) |
| base(adjective, mean, bad, offensive, rude) |
| refractory(deliberate, determined, vicious, intentional) |
| severe(adjective, wicked, negative emotions) |
| acerbic |
| acid |
| belligerent(adjective, mean, nasty, unfriendly, hateful) |