Posted on 22nd March 2018 by melyn Tebelfara is the Cornish word for misbehave Yes, misbehave in Cornish is tebelfara Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Gerva is the Cornish word for vocabularyNext post: Prison is the Cornish word for gaol