What is used to describe a verb adjective or adverb?

The words used to describe a verb, adjective, or adverb are called modifiers.

Here's a breakdown:

* Verb: A modifier that describes a verb is called an adverb. Examples: "She walked *quickly*." "He ate *happily*."

* Adjective: A modifier that describes an adjective is called an adverb. Examples: "The sky was *incredibly* blue." "The house was *extremely* large."

* Adverb: A modifier that describes an adverb is also called an adverb. Examples: "He ran *very* fast." "She spoke *extremely* softly."

Let me know if you'd like more examples!