If you describe people or things as odious, you think that they are extremely unpleasant. Herr Schmidt is certainly the most odious man I have ever met = obnoxious. extremely unpleasant (odieus, from odiosus, from odium )
unequivocally detestable; "abominable treatment of prisoners"; "detestable vices"; "execrable crimes"; "consequences odious to those you govern"- Edmund Burke
Causing or provoking hatred, repugnance, or disgust; offensive; disagreeable; repulsive; as, an odious sight; an odious smell