Definitions:

1. Refers to something literally sweet, often artificial, like certain sweeteners or flavorings. ADJECTIVE
   • The dessert had a saccharine taste, overpowering the natural flavors.
2. Used to describe something that is overly sugary in taste or, more commonly, overly emotional or sentimental in tone, often to the point of being insincere or cloying. ADJECTIVE
   • The movie's ending was so saccharine that it felt unrealistic.

Synonyms:

• sentimental
• sloppy
• sticky
• syrupy