1.Lit. no longer available for use or lending. (Usually said of library materials, certain kinds of currency, etc.) I'm sorry, but the book you want is temporarily out of circulation.How long will it be out of circulation?
2.Fig. not interacting socially with other people. I don't know what's happening because I've been out of circulation for a while.My cold has kept me out of circulation for a few weeks.
if someone is out of circulation they are no longer taking part in social activities Work on my latest book has kept me out of circulation for the past few months.