Verbose, a.
Etymology: [L. verbosus, from verbum a word. See Verb.]
Abounding in words; using or containing more words than are necessary; tedious by a multiplicity of words; prolix; wordy; as, a verbose speaker; a verbose argument. Too verbose in their way of speaking. Ayliffe. -- Ver*bose"ly, adv. -- Ver*bose"ness, n.
Shades of meaning
Fernald has no entry of its own for verbose; he lists it under garrulous.
Where he writes about it:
Verbose is applied to utterances more formal than conversation, as to writings or public addresses. — from garrulous
We speak of a chattering monkey or a chattering idiot, a talkative child, a talkative or loquacious woman, a garrulous old man, a verbose writer. — from garrulous