IPA: /ˈɡʌmɪli/
KK: /ˈɡʌmɪli/
In a way that is sticky or resembling gum.
The candy melted and gummily stuck to my fingers.
Gummily → It is formed from "gum" (from Old English *guma*, meaning a sticky substance) and "-ily" (a suffix used to form adverbs). The word "gummily" describes something that is in a sticky or gummy manner.
Think of something that is sticky like 'gum' — the '-ily' just means in a manner. So, gummily means in a sticky way.