An adverb is a word or phrase that modifies the meaning of an adjective, verb, or another adverb.
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?.
Examples of adverbs in English include gently, here, now, very.
Adverbs are usually considered to be a part of speech