It is an adjective. To use it as an adverb, you would add -LY (vacantly).
Nervous is an adjective. The adverb form is nervously.
Comprehensible is an adjective. The adverb is comprehensibly.
Silently is an adverb. The adjective is silent.
Lively can be used as an adjective and an adverb. Adjective: a lively discussion Adverb: step lively
Serenely is an adverb. The adjective form is serene.
No, it is not. Vacant is an adjective that usually means empty (unoccupied).
Yes, vacant is an adjective.
There is no direct adverb for the noun vacancy (state of being empty or unoccupied). While the related adjective vacant has the adverb form vacantly, the adverb has a different connotation (lack of attention or awareness).
vacancy
Dark can be an adjective or a noun. Darkly is an adverb.
vacant
Adverb.Here is an adverb, not an adjective.
its an adverb an adjective is a descriptive word an adverb is a feeling
An adverb describes a verb, an adjective or another adverb.
It can be an adjective OR an adverb. adjective -- You dog is a friendly dog adverb -- She always talks friendly to me
Nervous is an adjective. The adverb form is nervously.
"Shyly" is an adverb. It is used to describe how someone is behaving in a timid or bashful manner.