neither, in fact it is a noun
adverb
Difficult is an adjective.
Adverb
The word muddy is an adjective. The adverb form (muddily) is very rarely used.
No, the word your is not an adverb. The word your is a possessive adjective (from the pronoun "you").
No, important is an adjective. The adverb form is "importantly."
Important is an adjective. The adverb form is importantly.
Yes, it is an adverb. It is the adverb form of the adjective "essential" (requisite, important).
Important is the adjective form. The noun is importance and the adverb form is importantly.
It is an adjective (having great value or utility). The adverb form is importantly.
"Foremost" can be both an adjective and an adverb. As an adjective, it describes something or someone that is in the first or most important position. As an adverb, it modifies a verb or an adjective to indicate that something is the most important or prominent.
Dark can be an adjective or a noun. Darkly is an adverb.
The adverb form of the adjective momentous is momentously. e.g. It was a momentously important event.
No, it is not. It is a noun form of the adjective "serious" (important, severe, or not in jest).
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.