Posted on 17th September 2020 by melyn Diboos is the Cornish word for unimportant Yes, unimportant in Cornish is diboos Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kwilkyn is the Cornish word for frogNext post: Deskrifus is the Cornish word for descriptive