cloying
US /ˈklɔɪ.ɪŋ/
UK /ˈklɔɪ.ɪŋ/

1.
excessively sweet, rich, or sentimental, especially to a sickening degree
:
•
The dessert was so cloying that I couldn't finish it.
•
His constant compliments became cloying after a while.
excessively sweet, rich, or sentimental, especially to a sickening degree