To my thinking that drunken commissariat clerk is a great deal cleverer, anyway one can see that he has addled his brains with drink, but you know, these foreigners are always so well behaved and serious….
There are no more uses of "addle" in the book.
Show samples from other sources
But she counted and counted till she got that addled she’d start to count in the basket for a spoon sometimes; and so, three times they come out right, and three times they come out wrong.
Mark Twain -- The Adventures of Huckleberry Finn
Although her relations with Atticus and Jem had reached their lowest ebb ("You’re downright addled these days, Jean Louise," her father had said.