discordant

No doubt Romney was sincere in wanting to help the homeless woman, but it sounded a discordant note.

But people now had enough of a sense of Obama to know that the statement was discordant with his whole approach and demeanor.

If, perchance, any discordant note was sounded it was speedily hushed.

Without this one discordant note all his merriment might have seemed like levity.

With all this mass of color there were no unpleasant contrasts, no discordant tones.

For a while even the song of his birds lost all its sweetness, and seemed to him but a discordant sound.

It was followed by a series of discordant brays from the donkey.