Bitter : having a sharp, pungent taste or smell; not sweet. Sweet : having the pleasant taste characteristic of sugar or honey; not salt, sour, or bitter. Giddy : having a sensation of whirling and a tendency to fall or stagger; dizzy. Laxative : (chiefly of a drug or medicine) tending to stimulate or facilitate evacuation of the bowels. Aperient : (chiefly of a drug) used to relieve constipation.