Yes. It can be used as an adverb as well as an adjective.
He reached a higher level. (adjective)
He reached higher and grabbed the ring. (adverb)
"Higher" can function as both an adverb and an adjective, depending on its usage in a sentence. As an adverb, it modifies a verb, adjective, or another adverb. As an adjective, it describes a noun. For example, in "He jumped higher," "higher" is an adverb modifying the verb "jumped," whereas in "The higher shelf," "higher" is an adjective describing the noun "shelf."
higher
higher
The word necessarily is an adverb, which has no plural form. An adverb is a word that modifies a verb; for example:A higher price doesn't necessarily assure a higher quality.
"Upstairs" can function as both an adverb and an adjective. As an adverb, it describes the direction of movement towards a higher level. As an adjective, it describes a noun such as "the upstairs room."
The word "upward" is an adverb. It is used to describe the direction of movement towards a higher position or level.
The word "down" can function as an adverb, a preposition, an adjective, or a verb, depending on its usage in a sentence.
"Higher" can be either an adjective or an adverb, because it can modify both nouns and verbs. Examples:: (modifying a noun) In the Sixteenth Century in most of Europe, being a clergyman was considered a higher calling than being a merchant. (modifying a verb) As I held the thermometer in my hand, the mercury column in the thermometer moved higher.
The word down is an adverb. It means from a higher position to a lower one.
"Descended" is not an adverb; it is a verb that describes the action of moving or coming down from a higher to a lower place. An adverb modifies a verb, adjective, or another adverb to provide more information about the manner, place, time, or degree of the action or state being described.
(of an adjective or adverb) expressing a higher degree of a quality, but not the highest possible (e.g., braver; more fiercely).
1. Adverb Of Time2. Adverb Of Place3. Adverb Of Manner4. Adverb Of Degree of Quantity5. Adverb Of Frequency6. Interrogative Adverb7. Relative Adverb