Posted on 1st March 2018 by melyn Direson is the Cornish word for irrational Yes, irrational in Cornish is direson Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Cherita is the Cornish word for charityNext post: Turantieth is the Cornish word for tyranny