1) Exceptionable 2) Ill-favored 3) Intolerable 4) Nasty 5) Obnoxious 6) Repugnant 7) Unattractive 8) Unlovely 9) Unpleasant 10) Unwanted 11) Vile 1) Liable to objection or debate 2) Obnoxious 3) Offensive 4) Unpleasant 
• (a.) Liable to objection; likely to be objected to or disapproved of; offensive; as, objectionable words.
Ob·jec'tion·a·ble adjective Liable to objection; likely to be objected to or disapproved of; offensive; as, objectionable words. -- 
[adj] - causing disapproval or protest
objectionable 1. Causing or tending to cause an objection, disapproval, or protest. 2. Offending good taste, manners, etiquette, propriety, etc.; offensive: objectionable behavior.
obnoxious adjective causing disapproval or protest; `a vulgar and objectionable person`