| callous(adjective, mean, harsh, cruel, vicious) |
| cold(adjective, mean, harsh, cruel, vicious) |
| coldblooded(adjective, unyielding, unforgiving, ironfisted, homicidal) |
| dog eat dog(expression, adjective, idiom, malevolent, sadistic) |
| ferocious(adjective, mean, harsh, cruel, vicious) |
| fierce(adjective, mean, harsh, cruel, vicious) |
| grim(adjective, mean, harsh, cruel, vicious) |
| hard(adjective, mean, harsh, cruel, vicious) |
| hard-nosed(adjective, cruel, brutal, pitiless, callous) |
| hardhearted(adjective, cruel, brutal, pitiless, callous) |
| harsh(adjective, mean, cruel, vicious, brutal) |
| heartless(adjective, mean, harsh, cruel, vicious) |
| implacable(adjective, mean, harsh, cruel, vicious) |
| inexorable(adjective, mean, harsh, cruel, vicious) |
| inhuman(adjective, mean, harsh, cruel, vicious) |
| mean(adjective, harsh, cruel, vicious, brutal) |
| merciless(adjective, mean, harsh, cruel, vicious) |
| mercilessly |
| mortal(adjective, mean, severe, harsh, cruel) |
| obdurate(adjective, mean, harsh, cruel, vicious) |