v. Obs. rare. [f. LIBEL sb. + -IZE.] intr. To deal in libels, to practise slander.
c. 1620. T. Robinson, M. Magd., 4/27. To reprehend In sharpe-fangd Satyres, is to libellize, To raise vile slaunders, and false infamies.
1628. Wither, Brit. Rememb., 285. Such a president will hearten them To libellize.