IPA: /ˈpjuːnɪli/
KK: /ˈpjuːnɪli/
In a weak or small way; lacking strength or importance.
The team performed punily, failing to impress the audience.
Punily → It is formed from "puny" (from Middle English *pouny*, meaning small or weak) and the suffix "-ly" (meaning in a manner of). The word "punily" means in a manner that is small or weak.
Think of 'puny' meaning small or weak, and remember that 'punily' describes doing something in a small or weak manner.