Which word denotes the opposite of laconic?

Laconic means using very few words; concise to the point of seeming rude or mysterious. Its opposite is a word meaning talkative or using too many words. 'Garrulous' means excessively talkative, making it the correct antonym. Both 'concise' and 'succinct' are synonyms, not antonyms. 'Reticent' means quiet or reserved, which is similar to laconic.