sac·cha·rine 
(săkər-ĭn, -ə-rēn′, -ə-rīn′)
(săkər-ĭn, -ə-rēn′, -ə-rīn′)adj.
1. Of, relating to, or characteristic of sugar or saccharin; sweet.
2. Having a cloyingly sweet attitude, tone, or character: a saccharine smile.
3. Excessively sentimental: "It was enough for him to rely on sentiment ... and saccharine assertions about The Home" (Kate Millett).
saccha·rine·ly adv.
sac′cha·rini·ty (-ə-rĭnĭ-tē) n.