The word sulkily is the adverb form for the adjective sulky.
The noun form of the adjective sulky is sulkiness.
The guilty boy in dirty rags came in sulkily.
I loathe people who sulkily mope through life.
i walked home sulkily, i had to clean the kitchen, i loathe doing that
Yes, it is an adverb. It means in a sulking or gloomy manner.
YES
Full of resentment that he should have to take orders from a dim-witted, beak-nosed twit like Loretta, Horace sulkily did as he was told and removed the tampons he had stuck in his nostrils.
The anagram is the rarely-used adverb "sulkily" (in a sulky or depressed manner).
the moon was shining sulkily
Showing irritation and bad humour by a gloomy silence
Face your problems intrepidly and stop sulking at home! *sulking is the verb form of sulk
The word 'noun' is not a verb. The word 'noun' is a noun, a word for a thing.
Proper noun