IPA: /ˈslɪpɪli/
KK: /ˈslɪpɪli/
In a way that is slippery or smooth, making it easy to slide or lose grip.
The floor was slippily wet after the rain, causing people to be careful while walking.
Slippily → It is formed from "slip" (from Old English *slipan*, meaning to glide or slide) and "-ly" (meaning in a manner of). The word "slippily" means in a manner that glides or slides easily, often implying a lack of stability or grip.
Think of the Old English word for sliding or gliding — that's why slippily means doing something in a sliding manner.