The word adverb is a noun. However, adverbs (the words that modify verbs, adjectives, and other adverbs) are their own part of speech.
An adverb is a part of speech that modifies verbs, adjectives, or other adverbs by providing information about how, when, where, or to what extent something is done.
adverb
Adverb.
Adverb.
Adverb
"Ever" is an adverb.
about is a adverb.
adverb
adverb
Recently is an adverb.
Twice is an adverb.
Hysterically is an adverb.
Beautifully is an adverb.