Definition of "cacology" [ca•col•o•gy]

• Poor diction or choice of words. (noun)

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• "Even Shakespeare might have been glad of such an opportunity to enlarge the cacology, by actual hearing, of some of his most amusing characters."
• "As to prose, I don't know Addison's from Johnson's; but I will try to mend my cacology."
• "Chambers gives several interesting words with the caco - root, eg "cacoepy", bad pronunciation, "cacology", also bad pronunciation and bad choice of words as well."