Contemptuous :: Contemptuous (a.) Manifesting or expressing contempt or disdain; scornful; haughty; insolent; disdainful.
Contemptuously :: Contemptuously (adv.) In a contemptuous manner; with scorn or disdain; despitefully.
Contemptuousness :: Contemptuousness (n.) Disposition to or manifestion of contempt; insolence; haughtiness.