Posted on 17th June 2018 by melyn Diweres is the Cornish word for helpless Yes, helpless in Cornish is diweres Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Hirder is the Cornish word for tallnessNext post: Pinta is the Cornish word for pint