Witchsmeller: Silence, Grumbledook! Satin, you're not replying. [to Harry] He's not replying, My Lord. Are we to assume this horse has something to hide?
Blackadder: Either that or he can't talk.
Witchsmeller: A likely story. Black Satin, known in the Hierarchy of Evil as Black Satin the Loquacious, are you or are you not the servant of Satan?
BBC. Blackadder, Season 1: Witchsmeller Persuivant
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The Marchesa, meanwhile, had grown more loquacious as the afternoon passed.
Jonathan Harr. The Lost Painting, p.59 (2006)
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She did not understand either that Alexey Alexandrovitch's peculiar loquacity that day, so exasperating to her, was merely the expression of his inward distress and uneasiness.
Leo Tolstoy. Anna Karenina (Translated by Constance Garnett)
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LOQUACITY, n. A disorder which renders the sufferer unable to curb his tongue when you wish to talk.