Originally Posted by jennie
I routinely read books in four different languages, and half the time the ebook and dictionary languages are incorrectly matched. So, I might be interested in creating a huge multi-dictionary that will contain headwords for all languages. The question is, how big is too big for a kindle/mobipocket dictionary? Will there be noticeable lag if it's four times as big as the default dictionary?
When that occurs, the best thing to do is to edit the metadata for the book and set the correct language ID for it. This is very easy to do in Calibre.