I think, for the most part, the term "dead language" evokes Latin. But Latin, while not the official language of a country, say, is still used. Ish. Students still learn it. You can still hear a Mass in it. I think perhaps exorcisms tend to be performed in it. I mean, I'd want my exorcism to be in Latin, should I ever occasion to require one. Take this as official record of my wishes.
