In that sentence ... and most likely wherever it's used ... "lazily" is an adverb,
modifying the verb "grazes".
Here's a tip: Whenever you see a word that ends in "...ly", it's usually an adverb.
<span>When deciding how honest to be about the role I had played in the situation, I kept thinking of my little brother and how he had the wisdom, even at his young age, to do what was right.</span>
Gregor has become a horrible vermin more specifically a giant bug or insect.
