Posted on 25th June 2021 by melyn Diswaytus is the Cornish word for disappointing Yes, disappointing in Cornish is diswaytus Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kolyn is the Cornish word for cubNext post: Tardhell is the Cornish word for outlet