| intense(strong, piercing, strident, noisy, blaring) |
| jagged(adjective, hard, severe, sharp, flat) |
| jumping(loud, piercing, strident) |
| loath(adjective, conflicting) |
| loud-voiced(strong, piercing, strident, noisy, blaring) |
| loudmouth(loud, piercing, strident) |
| low |
| lusty(strong, piercing, strident, noisy, blaring) |
| marred |
| not smooth(expression, adjective, hard, severe, sharp) |
| obstreperous(adjective, strong, loud, piercing, strident) |
| off |
| on a sour note(expression, adjective, idiom, harsh, conflicting) |
| opposite(adjective, harsh, different, contrary, conflicting) |
| out-of-key(adjective, hard, severe, sharp, flat) |
| out-of-tune(adjective, hard, severe, sharp, flat) |
| out of tune(expression, idiom, discordant, raucous, unharmonious) |
| outlandish |
| pealing(strong, piercing, strident, noisy, blaring) |
| plain |