dead horse noun Definition of DEAD HORSE : an exhausted or profitless topic or issue —usually used in the phrases beat a dead horse and flog a dead horse
transparency noun trans·par·en·cy \tran(t)s-ˈper-ən(t)-sē\ plural trans·par·en·cies Definition of TRANSPARENCY 1 : something transparent; especially : a picture (as on film) viewed by light shining through it or by projection 2 : the quality or state of being transparent