rude, sour, discordant, inharmonic, disharmonious, dissonant, unresolved, inharmonious, false, off-key, agree, inconsonant, uncongenial.
opposed (part of speech: verb)
discordant (part of speech: adjective)
If he be confused, tedious, harsh, or unharmonious,
readers will certainly reject him.
- "Autobiography of Anthony Trollope", Anthony Trollope.
His diction was not only inelegant, but frequently ungrammatical, always vulgar; his cadences false, his voice unharmonious,
and his action ungraceful.
- "Letters to His Son, 1749", The Earl of Chesterfield.
In our ordinary lives, surrounded by our ordinary circumstances, we cannot be truly ourselves; each of us is but part of a whole, and very often an entirely unharmonious
- "The Associate Hermits", Frank R. Stockton.