It can be either. Or also a preposition, or a noun.
outside chance, outside wall - adjective
stepped outside - adverb
outside the lines - preposition
the outside of the cup - noun
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
Exhausted is a adjective. Happily, energetically and outside are the adverbs.
Exterior can be an adjective and a noun. Adjective: Relating to outside parts. Noun: The outside parts.
No, the word 'outside' is a noun, a preposition, an adjective, and an adverb. Examples: Noun: The outside of the house is in good condition. Preposition: We like to sit at the tables outside the cafe. Adverb: It's nice enough for the kids to play outside. Adjective: We store the outside furniture in the shed for the winter.
Dark can be an adjective or a noun. Darkly is an adverb.
If used in "they went back outside" it is an adverb modifying went.If used in "he is back outside now" it is a predicate adjective.
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.
The adverb is "outside". It is an adverb of place, describing where they were playing.
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.