| killer instinct(expression, adjective, mean, hard, harsh) |
| merciless(adjective, mean, hard, harsh, cold) |
| prearranged(adjective, deliberate, careful, thoughtful, cautious) |
| predesigned(adjective, deliberate, careful, thoughtful, cautious) |
| predeterminate(adjective, deliberate, careful, thoughtful, cautious) |
| prepense(adjective, deliberate, careful, thoughtful, cautious) |
| purposive(adjective, deliberate, careful, thoughtful, cautious) |
| relentless(adjective, mean, hard, harsh, cold) |
| remorseless(adjective, mean, hard, harsh, cold) |
| rigorous(adjective, severe, grim, bleak) |
| ruthless(adjective, mean, hard, harsh, cold) |
| satanic(adjective, mean, hard, harsh, cold) |
| savage(adjective, mean, hard, harsh, cold) |
| schemed(adjective, deliberate, careful, thoughtful, cautious) |
| serious(adjective, realistic, destructive, aper, demoniac) |
| severe(adjective, grim, bleak) |
| soulless(adjective, mean, hard, harsh, cold) |
| stony(adjective, mean, hard, harsh, cold) |
| strict(adjective, severe, grim, bleak) |
| thought out(expression, adjective, deliberate, careful, thoughtful) |