| harsh(adjective, different, contrary, conflicting, discordant) |
| incongruent(adjective, different, contrary, adverse, discordant) |
| incongruous(adjective, harsh, different, contrary, adverse) |
| inconsistent(adjective, harsh, different, antagonistic, contrary) |
| inconsonant(adjective, harsh, different, contrary, adverse) |
| inharmonious(adjective, harsh, different, contrary, conflicting) |
| jangling(adjective, harsh, different, contrary, conflicting) |
| jarring(adjective, harsh, different, contrary, conflicting) |
| on a sour note(expression, adjective, idiom, harsh, conflicting) |
| opposite(adjective, harsh, different, antagonistic, contrary) |
| quarreling(adjective, harsh, rude, different, contrary) |
| strident(adjective, harsh, different, contrary, conflicting) |
| uncongenial(adjective, conflicting, discordant, strident, dissenting) |
| unharmonious(adjective, harsh, different, contrary, conflicting) |
| unmelodious(adjective, harsh, different, contrary, conflicting) |
| unmusical(adjective, harsh, rude, contrary, discordant) |
| acrimonious(adjective, conflicting, dissenting, disagreeing, frictional) |
| anomalous(adjective, irregular, different, discordant, incongruous) |
| asperous(dissonant, stridulous) |
| at variance(expression, adjective, different, contrary, discordant) |