oversweet

adjective

over·​sweet ˌō-vər-ˈswēt 

: excessively sweet : cloying

an oversweet sauce

oversweet sentiment

The luscious innuendo of it, almost startling, lingered in the room, after the visitors had gone, like an oversweet fragrance.

—Henry James

oversweetness

ˌō-vər-ˈswēt-nəs 

noun

Samples tasted recently were superbly rich-flavored and winy, with a pleasing tannic tinge and a lingering aftertaste, but without cloying oversweetness.

—David Karp

Word History

First Known Use

15th century, in the meaning defined above