Adverb - Wikipedia
https://en.wikipedia.org/wiki/AdverbAn adverb is a word or an expression that modifies a verb, adjective, another adverb, determiner, clause, preposition, or sentence. Adverbs typically express manner, place, time, frequency, degree, level of certainty, etc., answering questions such as how?, in what way?, when?, where?, and to what extent?. This is called the adverbial function, and may be performed by single words (adverbs) or by multi-word adverbial phrases and adverbial clauses.
Adverb Definition & Meaning - Merriam-Webster
www.merriam-webster.com › dictionary › adverbadverb. : a word that describes a verb, an adjective, another adverb, or a sentence and that is often used to show time, manner, place, or degree In "arrived early," "runs slowly," "stayed home," and "works hard" the words "early," "slowly," "home," and "hard" are adverbs.