Posted on 6th April 20165th April 2016 by melyn ‘Horrible!’ in Cornish is ‘Euthyk!’ Yes, if you want to say ‘Horrible!’ in the Cornish language, it’s ‘Euthyk!’. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Keskeveryans is the Cornish word for convergenceNext post: Konfirmya is the Cornish word for confirm