objectionable

Synonyms: abhorrent censurable deplorable disagreeable dislikable displeasing distasteful exceptionable ill-favored inadmissible indecorous inexpedient insufferable intolerable invidious loathsome lousy murder noxious obnoxious offensive opprobrious poison regrettable repellent reprehensible repugnant repulsive revolting unacceptable undesirable unfit unpalatable unsatisfactory unseemly unsuitable unwanted unwelcome

Antonyms: good nice pleasant welcome