saccharine

adj

1. (dated)Of or relating to sugar; sugary.
2. (dated)Containing a large or excessive amount of sugar.
3. (derogatory, figuratively)Excessively sweet in action or disposition, especially if romantic or sentimental to the point of ridiculousness; sickly sweet, syrupy.
4. Resembling granulated sugar; saccharoid.
5. (not-comparable)Of or relating to saccharin (“a white, crystalline powder, C₇H₅NO₃S, used as an artificial sweetener in food products”).

noun

1. (dated, uncountable)Something which is saccharine or sweet; sugar.
2. (figuratively, uncountable)Sentimentalism.

   “If Captain Archie Blaine regarded these outpourings as so much adolescent saccharine he never revealed it by a single word, a smile or the flicker of an eye.”

3. (alt-of, alternative)Alternative spelling of saccharin.