Unpleasing

It is, it is: hie hence, be gone, away! It is the lark that sings so out of tune, Straining harsh discords and unpleasing sharps.

‘[…] Be assured, my dear, that these were the harshest words, and to me the most unpleasing that ever escaped your lips!’

This looked peculiar at first, but not unpleasing when one gets used to it.

Zander took out a silk handkerchief and vented some unpleasing odour from his mouth.