IPA: /ˈkʌnɪŋli/
KK: /ˈkʌnɪŋli/
In a way that shows skill in achieving goals through deceit or cleverness.
She cunningly devised a plan to win the game without anyone noticing.
Cunningly → It is formed from "cunning" (from Old English *cunning*, meaning knowledge or skill) and the suffix "-ly" (meaning in a manner of). The word "cunningly" means in a manner that shows skill or cleverness, often with a connotation of deceit.
Think of someone using their 'skill' ('cunning') in a clever way ('-ly') — that's why cunningly means doing something in a clever or skillful manner.