| fierce(adjective, mean, hard, tough, nasty) |
| heartless(adjective, mean, severe, nasty, harsh) |
| hurtful(adjective, mean, severe, nasty, harsh) |
| insensitive(adjective, hard, tough, harsh, behavior) |
| irritated(adjective, resentful) |
| malign(adjective, mean, nasty, violent, wild) |
| monstrous(adjective, severe, nasty, harsh, violent) |
| offended(adjective, resentful) |
| piqued(adjective, resentful) |
| retributive |
| rigorous(adjective, hard, tough, harsh, cruel) |
| severe(adjective, mean, harsh, cruel, vicious) |
| shameless(adjective, hard, tough, harsh, cruel) |
| sinful(adjective, nasty, violent, wild, fierce) |
| sore(adjective, resentful) |
| spleenful(adjective, mean, nasty, cruel, vicious) |
| stony(adjective, person, mean, harsh, cruel) |
| unappeasable(adjective, mean, harsh, cruel, determined) |
| uncompassionate(adjective, hard, tough, evil, harsh) |
| Machiavellian(adjective, wicked) |