| grim(adjective, harsh, cruel, vicious, fierce) |
| harmful |
| irascible(adjective, keen, difficult, intense, passionate) |
| irrational(adjective, rough, wild, foolish, crazy) |
| pitiless(adjective, harsh, cruel, vicious, fierce) |
| possessed(adjective, evil, passionate, crazy, mad) |
| rapist(noun, adjective, person, madness, insanity) |
| revolutionary(adjective, enthusiastic, ill, sick, reckless) |
| rigorous |
| roaring(adjective, wild, bitter, murky, stormy) |
| rugged(adjective, calm) |
| ruthless(adjective, hard, rough, nasty, harsh) |
| scathing(adjective, hostile, belligerent, quarrelsome) |
| serious(adjective, hard, severe, rough, difficult) |
| stringent(adjective, strong, harsh, energetic, powerful) |
| touchy(adjective, difficult, passionate, wild, nervous) |
| tumultous(adjective, characteristic, pain, agony) |
| uproarious(adjective, rough, wild, foolish, crazy) |
| volcanic(nervous, emotional, restless, volatile, fiery) |
| wicked(adjective, clear, tough, severe, evil) |