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- Mr. Deane, he considered, was the "knowingest" man of his acquaintance, and he had besides a ready causticity of tongue that made an agreeable supplement to Mr. Tulliver's own tendency that way, which had remained in rather an inarticulate condition.1.7 -- Book 1 Chapter 7 -- Enter the Aunts and Uncles (96% in)
There are no more uses of "caustic" in The Mill on the Floss.
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