disgustful adjective2 •Full of disgust.With a melancholy, disappointed, and disgustful mind, he had quitted the land of his birth; and new scenes, strange and wild, had risen before his wandering gaze. — 1838 •(no longer used) disgusting, vile.Let me therefore beseech you, sir, to become an advocate for your niece, that she may not be made a victim to a man so highly disgustful to her. — 1748 formsmore disgustful · most disgustful