Feb13 Word Wednesday Posted on February 13, 2013 by Author Standard Today’s word is MORDACIOUS</em> Ijust like the sound of that one, don’t you? Mordacious means that someone is using biting sarcasm or invective. It can also mean a person or animal who bites. It comes from the Latin word for bite Mordax. Share this:TwitterFacebookEmailPinterestLike this:Like Loading...