| scratching |
| screaming(loud, piercing, strident) |
| screeching(adjective, hard, severe, sharp, flat) |
| severe(adjective, hard, sharp, flat, rough) |
| sonorous(strong, piercing, strident, noisy, blaring) |
| splitting |
| spoiled |
| squabbling(adjective, conflicting) |
| squally(adjective, rough, harsh, dirty, coarse) |
| stentorian(strong, piercing, strident, noisy, blaring) |
| strepitous(loud, piercing, strident) |
| stridulent(adjective, rough, harsh, dirty, coarse) |
| stridulous(adjective, hard, severe, sharp, flat) |
| strong(piercing, strident, noisy, blaring) |
| tasteless |
| tempestuous(adjective, rough, harsh, dirty, coarse) |
| tense(adjective, conflicting) |
| thundering(strong, piercing, strident, noisy, blaring) |
| thunderous(adjective, piercing, strident, noisy, earsplitting) |
| tumultuous(adjective, strong, piercing, strident, noisy) |