Yes, silent is an adjective. It is a form of the noun or verb silence.
Dark can be an adjective or a noun. Darkly is an adverb.
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
"Shyly" is an adverb. It is used to describe how someone is behaving in a timid or bashful manner.
Nervous is an adjective. The adverb form is nervously.
Yes, "especially" can function as both an adverb and an adjective. As an adverb, it modifies a verb, an adjective, another adverb, or a sentence. As an adjective, it describes a noun.
Comprehensible is an adjective. The adverb is comprehensibly.
'The' is neither an adjective nor an adverb. It is an article.
Deliberate is an adjective, the adverb is deliberately.