Word of the Week: malapropism (MĂL-ə-prŏp-ĭz-əm)
(Noun) The ludicrous misuse of words, especially in mistaking a word for another resembling it; an instance of this.
“At 15, Rachel, the whiny would-be beauty queen who ‘cares for naught but appearances,’ can think only of what she misses: the five-day deodorant pads she forgot to bring, flush toilets, machine-washed clothes and other things, as she says with her willful gift for malapropism, that she has taken ‘for granite.'”
Michiko Kakutani, “‘The Poisonwood Bible’: A Family a Heart of Darkness,” The New York Times, October 16, 1998.