Posted on 5th December 2013 by melyn Dewreydhel is the Cornish word for bisexual Yes, bisexual in Cornish is dewreydhel Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kocha is the Cornish word for carriageNext post: Teg is the Cornish word for beautiful