No it is an adjective.
Redden is a verb
redden reddens reddening reddened
The sky was reddening.
He could feel his face reddening with embarrassment.
No
The color red can be an adjective, or a noun for the color.
Red is an adjective and a noun.
The adverb would be redly.
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.
adjective
No. Red is an adjective, or a noun for the color.
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
Nervous is an adjective. The adverb form is nervously.
Shyly is an adverb. The adjective form is just shy.
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.
'The' is neither an adjective nor an adverb. It is an article.
No, it is not. It is an adverb, the adverb form of the adjective unsteady.