distasteful

Having a bad or foul taste.

Near-synonym: unpalatable

The food had very distasteful flavour.

Unpleasant.

Near-synonym: unpalatable

Scrubbing the floors was a distasteful duty to perform.

Offensive.

distasteful language

AIDS is primarily a sexually transmitted disease and to not focus on the documented routes of transmission — however distasteful they may be to some legislators — is an ineffective and bigoted means of education by any standards.