Master Lenehan at this made return that he had heard of those nefarious deeds and how, as he heard hereof counted, he had besmirched the lily virtue of a confiding female which was corruption of minors and they all intershowed it too, waxing merry and toasting to his fathership.
There are no more uses of "nefarious" in the book.
Show samples from other sources
Like his lesser satellites, over the years Tom-Carl had assumed an ill-fitting air of respectability and did not care to be reminded of his nefarious beginnings.
Harper Lee -- Go Set a Watchman
I wondered if I’d become so nefarious come October, I’d be some frat boy’s tasteless Halloween costume: mop of blond hair, an Amazing Amy book tucked under an armpit.