- objectionable, obnoxious, unpleasant - causing disapproval or protest; "a vulgar and objectionable person"
Antonym: inoffensive (indirect, via offensive)
- exceptionable, objectionable - liable to objection or debate; used of something one might take exception to; "a thoroughly unpleasant highly exceptionable piece of writing"; "found the politician's views objectionable"
Antonym: acceptable (indirect, via unacceptable)