saccharine
(dated) Of or relating to sugar; sugary.
(dated) Containing a large or excessive amount of sugar.
(figurative, derogatory) Excessively sweet in action or disposition, especially if romantic or sentimental to the point of ridiculousness; sickly sweet, syrupy.
(chiefly botany, geology) Resembling granulated sugar; saccharoid.
(dated) Something which is saccharine or sweet; sugar.
(figurative) Sentimentalism.
Of or relating to saccharin (a white, crystalline powder, C7H5NO3S, used as an artificial sweetener in food products).