decrialrare.|dɪˈkraɪəl| [f. decry v. + -al1 5.] The act of decrying; open disparagement. 1711Shaftesbury Charac.Misc. v. i. (1737) III. 266 The Decrial of an Art, on which the Cause and Interest of Wit and Letters absolutely depend.Ibid. v. ii. (R.), A decrial or disparagement of those raw works.