adjective

arousing revulsion or strong indignation.

he had the most disgusting rotten teeth

revolting,repellent,repulsive,sickening,nauseating,nauseous,stomach-churning,stomach-turning,off-putting,unpalatable,unappetizing,uninviting,unsavoury,distasteful,foul,nasty,obnoxious,odious,vomitous,yucky,icky,gross,sick-making,gut-churning,grotty,squicky,bogging,disgustful,offensive,appalling,outrageous,objectionable,displeasing,shocking,horrifying,scandalous,monstrous,unspeakable,shameless,shameful,vulgar,vile,wicked,heinous,abhorrent,loathsome,detestable,hateful,contemptible,despicable,deplorable,abominable,execrable,unforgivable,unpardonable,inexcusable,intolerable,insupportable,beyond the pale,horrid,ghastly,sick,godawful,beastly,loathly,scurvy,egregious,exceptionable