The word 'long' is both an adjective and an adverb. The adjective 'long' describes a noun; The adverb long modifies a verb, an adjective or another adverb. Examples:
adjective: This is the long answer to your question.
adverb: The dog ran after the ball.
adverb: We came in a long black limo.
adverb:They came long after the rest of the family.
The word 'long is also a noun, a word for a clothing size for tall people.
Nervous is an adjective. The adverb form is nervously.
Silently is an adverb. The adjective is silent.
Comprehensible is an adjective. The adverb is comprehensibly.
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.
Long can be a verb, an adverb, or an adjective. Verb: I long for the good old days. Adverb: That was very long ago. Adjective: I have a very long pencil.
Long is an adjective. It's describing history, a noun. The adverb is very.
It is an adjective (without end, or tediously long). The adverb form is endlessly.
adjective
Dark can be an adjective or a noun. Darkly is an adverb.
Night: noun an: adverb adjective: adjective noun: noun adverb: adverb
Adverb.Here is an adverb, not an adjective.
Quickly is definitely an adverb. Long *can* be an adverb but before nouns and after linking verbs it is an adjective. Tripped is a verb or adjective. Elevator and tree are nouns.
An adverb describes a verb, an adjective or another adverb.
its an adverb an adjective is a descriptive word an adverb is a feeling
The adjective of strength is strong.The adverb of strength is strongly.
It can be an adjective OR an adverb. adjective -- You dog is a friendly dog adverb -- She always talks friendly to me