| rasping(adjective, rough, harsh, wild, dirty) |
| raspy(adjective, loud, piercing, strident) |
| raving(adjective, strong, severe, rough, intense) |
| resounding(adjective, strong, piercing, strident, noisy) |
| rip-roaring |
| robust(adjective, strong, tough, fit, healthy) |
| rocky |
| rugged(strong, tough, fit, harsh, coarse) |
| severe(adjective, hard, tough, rough, difficult) |
| shrill(adjective, harsh, loud, piercing, strident) |
| spirited(adjective, energetic, enthusiastic, excited, loud) |
| stentorian(strong, harsh, loud, piercing, strident) |
| storming(violent, wild, emotional, bitter, murky) |
| strepitous(loud, piercing, strident) |
| thunderous(adjective, piercing, strident, noisy) |
| unbridled(adjective, rough, violent, wild, foolish) |
| unchecked |
| uninhibited(adjective, open, frank) |
| unrestrainable(adjective, wild, vivacious, effervescent, uncontrollable) |
| vehement(adjective, strong, violent, violence, unrestrained) |