Posted on 10th August 2013 by melyn Sygerneth is the Cornish word for idleness Yes, idleness in Cornish is sygerneth Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Amser is the Cornish word for tenseNext post: Plit is the Cornish word for plight