Word Study
adverb
CIDE DICTIONARY
adverb, n. [L. adverbium; ad + verbum word, verb: cf. F. adverbe.].
A word used to modify the sense of a verb, participle, adjective, or other adverb, and usually placed near it; as, he writes well; paper extremely white. [1913 Webster]
OXFORD DICTIONARY
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).
Derivative
adverbial adj.
Etymology
F adverbe or L adverbium (as AD-, VERB)
THESAURUS
adverb
adjectival, adjective, adverbial, adversative conjunction, attributive, conjunction, conjunctive adverb, coordinating conjunction, copulative, copulative conjunction, correlative conjunction, disjunctive, disjunctive conjunction, exclamatory noun, form class, form word, function class, gerundive, interjection, part of speech, participle, particle, past participle, perfect participle, preposition, present participle, subordinating conjunction, verbal adjectiveFor further exploring for "adverb" in Webster Dictionary Online