Posted on 24th January 2021 by melyn Diwedhyn is the Cornish word for stiff Yes, stiff in Cornish is diwedhyn Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Stevnik is the Cornish word for palateNext post: Kravas is the Cornish word for scratch