| teaser(noun, bad, difficulty, temper, brave) |
| uphill(adjective, great, easy, severe, rough) |
| violent(adjective, clear, hard, severe, rough) |
| viscid(adjective, feature, characteristic, informal, structure) |
| well-built(adjective, calm, person, body, strong) |
| brutal(adjective, good, bad, hard, cool) |
| business-minded |
| cold(adjective, good, mean, bad, hard) |
| fixed(adjective, mean, strong, hard, sound) |
| heartless(adjective, mean, hard, cool, severe) |
| merciless(adjective, hard, severe, rough, harsh) |
| punk(noun, person, mean, attack, slang) |
| relentless(adjective, mean, strong, hard, severe) |
| rigorous(adjective, strong, hard, severe, rough) |
| staunch(adjective, calm, clear, strong, sound) |
| terrible(adjective, rough, property, obstinate) |
| gladiator(noun, combatant) |
| unrelenting(adjective, mean, strong, hard, severe) |
| baffling(adjective, difficult, laborious) |
| brute(noun, person, mean, evildoer, evil doer) |