| grating(adjective, hard, severe, sharp, flat) |
| jarring(adjective, hard, right, severe, sharp) |
| off |
| off-tone(adjective, right) |
| out of pitch(expression, adjective, idiom, right) |
| raucous(adjective, hard, severe, sharp, flat) |
| sharp(adjective, hard, severe, flat, rough) |
| strident(adjective, hard, severe, sharp, flat) |
| tuneless(adjective, hard, severe, sharp, flat) |
| unmelodious(adjective, hard, severe, sharp, flat) |
| untuned(adjective, right) |
| aberrant(adjective, irregular, different, contrary, conflicting) |
| absonant |
| acrid(adjective, hard, severe, sharp, flat) |
| asperous(adjective, hard, severe, sharp, flat) |
| astringent(adjective, hard, severe, sharp, flat) |
| atypical(adjective, wrong, irregular, improper, different) |
| bitter(adjective, hard, severe, sharp, flat) |
| bleak(adjective, hard, severe, sharp, flat) |
| caterwauling(adjective, hard, severe, sharp, flat) |