Definitions:

1. It can describe the overly sweet flavors of food or the cloying, insincere sentimentatlity in something like writing or speech. NOUN
   • The perfume's cloying saccharinity clung to my skin long after I left the room.
2. Refers to the quality or state of being excessively sweet, either literally in taste or figuratively in terms of semtiment or emotion. NOUN
   • The saccharinity of the love letter made it seem overly sentimental and unrealistic.

Synonyms:

• sappiness
• sweetness