1. 
[syn: disgusting, disgustful, distasteful, foul, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, wicked, yucky]
The Collaborative International Dictionary of English v.0.48:
Disgustful \Dis*gust"ful\, a.
   Provoking disgust; offensive to the taste; exciting aversion;
   disgusting.
   [1913 Webster]
         That horrible and disgustful situation.  --Burke.
   [1913 Webster]
WordNet (r) 3.0 (2006):
disgustful
    adj 1: highly offensive; arousing aversion or disgust; "a
           disgusting smell"; "distasteful language"; "a loathsome
           disease"; "the idea of eating meat is repellent to me";
           "revolting food"; "a wicked stench" [syn: disgusting,
           disgustful, distasteful, foul, loathly,
           loathsome, repellent, repellant, repelling,
           revolting, skanky, wicked, yucky]