defectively produced speech; socially unacceptable diction.
Origin of cacology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a bad choice of words; faulty speech
Word Origin for cacology
C17 (in the sense: ill report): from Greek kakologia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012