Sweet  —adj. 1 tasting of sugar. 2 smelling pleasant like roses or perfume etc.; fragrant. 3 (of sound etc.) Melodious or harmonious. 4 fresh; not salt, sour, or bitter. 5 gratifying or attractive. 6 amiable, pleasant. 7 colloq. Pretty, charming. 8 (foll. By on) colloq. Fond of; in love with. —n. 1 small shaped piece of sweet substance, usu. Made with sugar or chocolate. 2 sweet dish or course of a meal.  sweetish adj. Sweetly adv. [old english]