| blaring(adjective, strong, loud, piercing, strident) |
| clangorous(adjective, loud, piercing, strident) |
| clattery(loud, piercing, strident) |
| dire(adjective, firm, important, extreme, serious) |
| exigent(adjective, hard, tough, firm, difficult) |
| imperative(adjective, firm, important, extreme, serious) |
| piercing(adjective, strong, harsh, vulgar, loud) |
| rackety(loud, piercing, strident) |
| sonorous(adjective, strong, loud, piercing, strident) |
| stentorian(adjective, strong, harsh, loud, piercing) |
| vocal(adjective, frank, outspoken, vociferous) |
| booming(adjective, strong, loud, piercing, strident) |
| brassy |
| crying(adjective, firm, important, extreme, serious) |
| demanding(adjective, hard, tough, firm, difficult) |
| instant(adjective, important, extreme, serious, persistent) |
| raucous(adjective, strong, harsh, energetic, active) |
| roaring(adjective, strong, loud, piercing, strident) |
| shrill(adjective, harsh, loud, piercing, strident) |
| thunderous(adjective, piercing, strident, noisy) |