filthily

filthy +‎ -ly

filthily (comparative more filthily, superlative most filthily)

1. in a filthy manner
   • 1735, Jonathan Swift, Gulliver's Travels, Part II, A Voyage to Brobdingnag, Chapter 5,

     […] I waded through with some difficulty, and one of the footmen wiped me as clean as he could with his handkerchief, for I was filthily bemired; and my nurse confined me to my box, till we returned home […]

   • 1895, H. G. Wells, The Time Machine, Chapter 6,

     I felt a peculiar shrinking from those pallid bodies. They were just the half-bleached colour of the worms and things one sees preserved in spirit in a zoological museum. And they were filthily cold to the touch.

   • 1916, James Joyce, chapter 3, in A Portrait of the Artist as a Young Man‎:

     Could it be that he, Stephen Dedalus, had done those things? His conscience sighed in answer. Yes, he had done them, secretly, filthily, time after time, and, hardened in sinful impenitence, he had dared to wear the mask of holiness before the tabernacle itself while his soul within was a living mass of corruption.