disgustful s highly offensive; arousing aversion or disgust Usage(s) Just disgustful, that's what it is!" Author Crosby is not specially fond of little boys, nor has he one of his own. She was refused permission, an act that she found "disgustful. Synonym(s) disgusting distasteful foul loathly loathsome repellent repellant repelling revolting skanky wicked yucky