| vindictive(adjective, severe, evil, nasty, harsh) |
| spiteful(adjective, mean, evil, nasty, harsh) |
| malevolent(adjective, mean, evil, nasty, harsh) |
| revengeful(adjective, mean, evil, nasty, harsh) |
| avenging(adjective, mean, hateful, malicious, spiteful) |
| cruel(adjective, mean, severe, nasty, harsh) |
| retaliatory(adjective, mean, hateful, malicious, spiteful) |
| rancorous(adjective, mean, tough, evil, nasty) |
| hostile(adjective, tough, nasty, harsh, cold) |
| implacable(adjective, mean, severe, evil, nasty) |
| sinister(adjective, evil, nasty, negative, behavior) |
| unforgiving(adjective, mean, severe, harsh, cruel) |
| unkind(adjective, tough, severe, evil, nasty) |
| malicious(adjective, mean, evil, nasty, cold) |
| malignant(adjective, mean, nasty, cold, vicious) |
| merciless(adjective, mean, severe, evil, nasty) |
| punitive(adjective, severe, harsh, cruel, reactive) |
| unfriendly(adjective, evil, nasty, cold, negative) |
| antagonistic(adjective, tough, nasty, harsh, cold) |
| refractory |