adverb
n. a word or phrase that modifies or qualifies another word (esp. an adjective, verb, or other adverb) or a word-group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. (e.g. gently, quite, then, there).
Derivatives:
adverbial adj.
Etymology: F adverbe or L adverbium (as AD-, VERB)
Useful english dictionary.
2012.