So strangely clouded were these refinements by the prison manners and gloom, so spectral did they become in the inappropriate squalor and misery through which they were seen, that Charles Darnay seemed to stand in a company of the dead.
There are no more uses of "squalor" in the book.
Show samples from other sources
To meet her today, you would never guess she lived in squalor as a child.
Inside in that squalor? Why, I’ll just bet you anything that place is acrawl with black widows.